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Fix emit for shorthand properties when they refer to CommonJS exports. #9151

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Jun 14, 2016
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8 changes: 4 additions & 4 deletions src/compiler/emitter.ts
Original file line number Diff line number Diff line change
Expand Up @@ -2150,9 +2150,9 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
}

// Return true if identifier resolves to an exported member of a namespace
function isNamespaceExportReference(node: Identifier) {
function isExportReference(node: Identifier) {
const container = resolver.getReferencedExportContainer(node);
return container && container.kind !== SyntaxKind.SourceFile;
return !!container;
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how can the container not be a sourceFile here?

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If you had a namespace, then the container is probably a namespace (i.e. ModuleDeclaration or ModuleBlock).

Are there any other containers I need to be aware of? Potentially statics on a class?

}

// Return true if identifier resolves to an imported identifier
Expand Down Expand Up @@ -2185,10 +2185,10 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
// const foo_1 = require('./foo');
// exports.baz = { foo: foo_1.foo };
//
if (languageVersion < ScriptTarget.ES6 || (modulekind !== ModuleKind.ES6 && isImportedReference(node.name)) || isNamespaceExportReference(node.name) ) {
if (languageVersion < ScriptTarget.ES6 || (modulekind !== ModuleKind.ES6 && isImportedReference(node.name)) || isExportReference(node.name)) {
// Emit identifier as an identifier
write(": ");
emit(node.name);
emitExpressionIdentifier(node.name);
}

if (languageVersion >= ScriptTarget.ES6 && node.objectAssignmentInitializer) {
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
//// [shorthandOfExportedEntity01_targetES2015_CommonJS.ts]

export const test = "test";

export function foo () {
const x = { test };
}


//// [shorthandOfExportedEntity01_targetES2015_CommonJS.js]
"use strict";
exports.test = "test";
function foo() {
const x = { test: exports.test };
}
exports.foo = foo;


//// [shorthandOfExportedEntity01_targetES2015_CommonJS.d.ts]
export declare const test: string;
export declare function foo(): void;
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
=== tests/cases/compiler/shorthandOfExportedEntity01_targetES2015_CommonJS.ts ===

export const test = "test";
>test : Symbol(test, Decl(shorthandOfExportedEntity01_targetES2015_CommonJS.ts, 1, 12))

export function foo () {
>foo : Symbol(foo, Decl(shorthandOfExportedEntity01_targetES2015_CommonJS.ts, 1, 27))

const x = { test };
>x : Symbol(x, Decl(shorthandOfExportedEntity01_targetES2015_CommonJS.ts, 4, 7))
>test : Symbol(test, Decl(shorthandOfExportedEntity01_targetES2015_CommonJS.ts, 4, 13))
}

Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
=== tests/cases/compiler/shorthandOfExportedEntity01_targetES2015_CommonJS.ts ===

export const test = "test";
>test : string
>"test" : string

export function foo () {
>foo : () => void

const x = { test };
>x : { test: string; }
>{ test } : { test: string; }
>test : string
}

Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
//// [shorthandOfExportedEntity02_targetES5_CommonJS.ts]

export const test = "test";

export function foo () {
const x = { test };
}


//// [shorthandOfExportedEntity02_targetES5_CommonJS.js]
"use strict";
exports.test = "test";
function foo() {
var x = { test: exports.test };
}
exports.foo = foo;


//// [shorthandOfExportedEntity02_targetES5_CommonJS.d.ts]
export declare const test: string;
export declare function foo(): void;
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
=== tests/cases/compiler/shorthandOfExportedEntity02_targetES5_CommonJS.ts ===

export const test = "test";
>test : Symbol(test, Decl(shorthandOfExportedEntity02_targetES5_CommonJS.ts, 1, 12))

export function foo () {
>foo : Symbol(foo, Decl(shorthandOfExportedEntity02_targetES5_CommonJS.ts, 1, 27))

const x = { test };
>x : Symbol(x, Decl(shorthandOfExportedEntity02_targetES5_CommonJS.ts, 4, 7))
>test : Symbol(test, Decl(shorthandOfExportedEntity02_targetES5_CommonJS.ts, 4, 13))
}

Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
=== tests/cases/compiler/shorthandOfExportedEntity02_targetES5_CommonJS.ts ===

export const test = "test";
>test : string
>"test" : string

export function foo () {
>foo : () => void

const x = { test };
>x : { test: string; }
>{ test } : { test: string; }
>test : string
}

Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
// @target: ES2015
// @module: commonjs
// @declaration: true

export const test = "test";

export function foo () {
const x = { test };
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
// @target: ES5
// @module: commonjs
// @declaration: true

export const test = "test";

export function foo () {
const x = { test };
}