Revert "Add CopilotRelated command (#59963)"

src/harness/client.ts

@@ -801,7 +801,6 @@ export class SessionClient implements LanguageService {
     }
 
     mapCode: typeof notImplemented = notImplemented;
-    getImports: typeof notImplemented = notImplemented;
 
     private createFileLocationOrRangeRequestArgs(positionOrRange: number | TextRange, fileName: string): protocol.FileLocationOrRangeRequestArgs {
         return typeof positionOrRange === "number"

src/harness/fourslashImpl.ts

@@ -4652,28 +4652,6 @@ ${changes.join("\n// ---\n")}
 ${after}`;
         this.baseline("mapCode", baseline, ".mapCode.ts");
     }
-
-    public verifyGetImports(fileName: string, expectedImports: string[]): void {
-        const actualImports = this.languageService.getImports(fileName);
-        if (actualImports.length !== expectedImports.length) {
-            throw new Error(`Expected ${expectedImports.length} imports for ${fileName}, got ${actualImports.length}
-    Expected:
-${expectedImports}
-    Actual:
-${actualImports}
-`);
-        }
-        for (let i = 0; i < expectedImports.length; i++) {
-            if (actualImports[i] !== expectedImports[i]) {
-                throw new Error(`Expected at ${fileName} index ${i}: ${expectedImports[i]}, got ${actualImports[i]}
-    Expected:
-${expectedImports}
-    Actual:
-${actualImports}
-`);
-            }
-        }
-    }
 }
 
 function updateTextRangeForTextChanges({ pos, end }: ts.TextRange, textChanges: readonly ts.TextChange[]): ts.TextRange {

src/harness/fourslashInterfaceImpl.ts

@@ -257,10 +257,6 @@ export class VerifyNegatable {
     public baselineMapCode(ranges: FourSlash.Range[][], changes: string[] = []): void {
         this.state.baselineMapCode(ranges, changes);
     }
-
-    public getImports(fileName: string, imports: string[]): void {
-        return this.state.verifyGetImports(fileName, imports);
-    }
 }
 
 export interface CompletionsResult {
@@ -2051,8 +2047,3 @@ export interface RenameOptions {
     readonly providePrefixAndSuffixTextForRename?: boolean;
     readonly quotePreference?: "auto" | "double" | "single";
 }
-
-export interface VerifyGetImportsOptions {
-    fileName: string;
-    imports: string[];
-}

src/server/protocol.ts

@@ -202,7 +202,6 @@ export const enum CommandTypes {
     ProvideInlayHints = "provideInlayHints",
     WatchChange = "watchChange",
     MapCode = "mapCode",
-    CopilotRelated = "copilotRelated",
 }
 
 /**
@@ -2417,18 +2416,6 @@ export interface MapCodeResponse extends Response {
     body: readonly FileCodeEdits[];
 }
 
-export interface CopilotRelatedRequest extends FileRequest {
-    command: CommandTypes.CopilotRelated;
-    arguments: FileRequestArgs;
-}
-
-export interface CopilotRelatedItems {
-    relatedFiles: readonly string[];
-}
-
-export interface CopilotRelatedResponse extends Response {
-    body: CopilotRelatedItems;
-}
 /**
  * Synchronous request for semantic diagnostics of one file.
  */

src/server/session.ts

@@ -938,7 +938,6 @@ const invalidPartialSemanticModeCommands: readonly protocol.CommandTypes[] = [
     protocol.CommandTypes.ProvideCallHierarchyIncomingCalls,
     protocol.CommandTypes.ProvideCallHierarchyOutgoingCalls,
     protocol.CommandTypes.GetPasteEdits,
-    protocol.CommandTypes.CopilotRelated,
 ];
 
 const invalidSyntacticModeCommands: readonly protocol.CommandTypes[] = [
@@ -2032,6 +2031,7 @@ export class Session<TMessage = string> implements EventSender {
             };
         });
     }
+
     private mapCode(args: protocol.MapCodeRequestArgs): protocol.FileCodeEdits[] {
         const formatOptions = this.getHostFormatOptions();
         const preferences = this.getHostPreferences();
@@ -2052,14 +2052,6 @@ export class Session<TMessage = string> implements EventSender {
         return this.mapTextChangesToCodeEdits(changes);
     }
 
-    private getCopilotRelatedInfo(args: protocol.FileRequestArgs): protocol.CopilotRelatedItems {
-        const { file, project } = this.getFileAndProject(args);
-
-        return {
-            relatedFiles: project.getLanguageService().getImports(file),
-        };
-    }
-
     private setCompilerOptionsForInferredProjects(args: protocol.SetCompilerOptionsForInferredProjectsArgs): void {
         this.projectService.setCompilerOptionsForInferredProjects(args.options, args.projectRootPath);
     }
@@ -3802,9 +3794,6 @@ export class Session<TMessage = string> implements EventSender {
         [protocol.CommandTypes.MapCode]: (request: protocol.MapCodeRequest) => {
             return this.requiredResponse(this.mapCode(request.arguments));
         },
-        [protocol.CommandTypes.CopilotRelated]: (request: protocol.CopilotRelatedRequest) => {
-            return this.requiredResponse(this.getCopilotRelatedInfo(request.arguments));
-        },
     }));
 
     public addProtocolHandler(command: string, handler: (request: protocol.Request) => HandlerResponse): void {

src/services/services.ts

@@ -2,7 +2,6 @@ import {
     __String,
     ApplicableRefactorInfo,
     ApplyCodeActionCommandResult,
-    arrayFrom,
     AssignmentDeclarationKind,
     BaseType,
     BinaryExpression,
@@ -234,7 +233,6 @@ import {
     Node,
     NodeArray,
     NodeFlags,
-    nodeIsSynthesized,
     noop,
     normalizePath,
     normalizeSpans,
@@ -1604,7 +1602,6 @@ const invalidOperationsInPartialSemanticMode: readonly (keyof LanguageService)[]
     "provideInlayHints",
     "getSupportedCodeFixes",
     "getPasteEdits",
-    "getImports",
 ];
 
 const invalidOperationsInSyntacticMode: readonly (keyof LanguageService)[] = [
@@ -3381,18 +3378,6 @@ export function createLanguageService(
         );
     }
 
-    function getImports(fileName: string): readonly string[] {
-        synchronizeHostData();
-        const file = getValidSourceFile(fileName);
-        let imports: Set<string> | undefined;
-        for (const specifier of file.imports) {
-            if (nodeIsSynthesized(specifier)) continue;
-            const name = program.getResolvedModuleFromModuleSpecifier(specifier, file)?.resolvedModule?.resolvedFileName;
-            if (name) (imports ??= new Set()).add(name);
-        }
-        return imports ? arrayFrom(imports) : emptyArray;
-    }
-
     const ls: LanguageService = {
         dispose,
         cleanupSemanticCache,
@@ -3467,7 +3452,6 @@ export function createLanguageService(
         preparePasteEditsForFile,
         getPasteEdits,
         mapCode,
-        getImports,
     };
 
     switch (languageServiceMode) {

src/services/types.ts

@@ -699,7 +699,6 @@ export interface LanguageService {
     getSupportedCodeFixes(fileName?: string): readonly string[];
 
     /** @internal */ mapCode(fileName: string, contents: string[], focusLocations: TextSpan[][] | undefined, formatOptions: FormatCodeSettings, preferences: UserPreferences): readonly FileTextChanges[];
-    /** @internal */ getImports(fileName: string): readonly string[];
 
     dispose(): void;
     preparePasteEditsForFile(fileName: string, copiedTextRanges: TextRange[]): boolean;

tests/baselines/reference/api/typescript.d.ts

@@ -123,7 +123,6 @@ declare namespace ts {
                 ProvideInlayHints = "provideInlayHints",
                 WatchChange = "watchChange",
                 MapCode = "mapCode",
-                CopilotRelated = "copilotRelated",
             }
             /**
              * A TypeScript Server message
@@ -1839,16 +1838,6 @@ declare namespace ts {
             export interface MapCodeResponse extends Response {
                 body: readonly FileCodeEdits[];
             }
-            export interface CopilotRelatedRequest extends FileRequest {
-                command: CommandTypes.CopilotRelated;
-                arguments: FileRequestArgs;
-            }
-            export interface CopilotRelatedItems {
-                relatedFiles: readonly string[];
-            }
-            export interface CopilotRelatedResponse extends Response {
-                body: CopilotRelatedItems;
-            }
             /**
              * Synchronous request for semantic diagnostics of one file.
              */
@@ -3534,7 +3523,6 @@ declare namespace ts {
             private getDocumentHighlights;
             private provideInlayHints;
             private mapCode;
-            private getCopilotRelatedInfo;
             private setCompilerOptionsForInferredProjects;
             private getProjectInfo;
             private getProjectInfoWorker;

tests/cases/fourslash/fourslash.ts

@@ -472,7 +472,6 @@ declare namespace FourSlashInterface {
             }
         }): void;
         baselineMapCode(ranges: Range[][], changes: string[]): void;
-        getImports(fileName: string, imports: string[]): void;
     }
     class edit {
         caretPosition(): Marker;