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14 changes: 14 additions & 0 deletions src/compiler/checker.ts
Original file line number Diff line number Diff line change
Expand Up @@ -15366,6 +15366,20 @@ namespace ts {
return getSymbolOfNode(entityName.parent);
}

if (isInJavaScriptFile(entityName) && entityName.parent.kind === SyntaxKind.PropertyAccessExpression) {
const specialPropertyAssignmentKind = getSpecialPropertyAssignmentKind(entityName.parent.parent);
switch (specialPropertyAssignmentKind) {
case SpecialPropertyAssignmentKind.ExportsProperty:
case SpecialPropertyAssignmentKind.PrototypeProperty:
return getSymbolOfNode(entityName.parent);
case SpecialPropertyAssignmentKind.ThisProperty:
case SpecialPropertyAssignmentKind.ModuleExports:
return getSymbolOfNode(entityName.parent.parent);
default:
// Fall through if it is not a special property assignment
}
}

if (entityName.parent.kind === SyntaxKind.ExportAssignment) {
return resolveEntityName(<Identifier>entityName,
/*all meanings*/ SymbolFlags.Value | SymbolFlags.Type | SymbolFlags.Namespace | SymbolFlags.Alias);
Expand Down
12 changes: 12 additions & 0 deletions tests/cases/fourslash/renameCrossJsTs01.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
/// <reference path='fourslash.ts'/>

// @allowJs: true
// @Filename: a.js
////exports.[|area|] = function (r) { return r * r; }

// @Filename: b.ts
////import { [|area|] } from './a';
////var t = /**/[|area|](10);

goTo.marker();
verify.renameLocations( /*findInStrings*/ false, /*findInComments*/ false);
12 changes: 12 additions & 0 deletions tests/cases/fourslash/renameCrossJsTs02.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
/// <reference path='fourslash.ts'/>

// @allowJs: true
// @Filename: a.js
////exports./**/[|area|] = function (r) { return r * r; }

// @Filename: b.ts
////import { [|area|] } from './a';
////var t = [|area|](10);

goTo.marker();
verify.renameLocations( /*findInStrings*/ false, /*findInComments*/ false);
12 changes: 12 additions & 0 deletions tests/cases/fourslash/renameJsExports01.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
/// <reference path='fourslash.ts'/>

// @allowJs: true
// @Filename: a.js
////exports.[|area|] = function (r) { return r * r; }

// @Filename: b.js
////var mod = require('./a');
////var t = mod./**/[|area|](10);

goTo.marker();
verify.renameLocations( /*findInStrings*/ false, /*findInComments*/ false);
12 changes: 12 additions & 0 deletions tests/cases/fourslash/renameJsExports02.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
/// <reference path='fourslash.ts'/>

// @allowJs: true
// @Filename: a.js
////exports./**/[|area|] = function (r) { return r * r; }

// @Filename: b.js
////var mod = require('./a');
////var t = mod.[|area|](10);

goTo.marker();
verify.renameLocations( /*findInStrings*/ false, /*findInComments*/ false);
12 changes: 12 additions & 0 deletions tests/cases/fourslash/renameJsPrototypeProperty01.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
/// <reference path='fourslash.ts'/>

// @allowJs: true
// @Filename: a.js
////function bar() {
////}
////bar.prototype.[|x|] = 10;
////var t = new bar();
////t./**/[|x|] = 11;

goTo.marker();
verify.renameLocations( /*findInStrings*/ false, /*findInComments*/ false);
12 changes: 12 additions & 0 deletions tests/cases/fourslash/renameJsPrototypeProperty02.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
/// <reference path='fourslash.ts'/>

// @allowJs: true
// @Filename: a.js
////function bar() {
////}
////bar.prototype./**/[|x|] = 10;
////var t = new bar();
////t.[|x|] = 11;

goTo.marker();
verify.renameLocations( /*findInStrings*/ false, /*findInComments*/ false);
12 changes: 12 additions & 0 deletions tests/cases/fourslash/renameJsThisProperty01.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
/// <reference path='fourslash.ts'/>

// @allowJs: true
// @Filename: a.js
////function bar() {
//// this.[|x|] = 10;
////}
////var t = new bar();
////t./**/[|x|] = 11;

goTo.marker();
verify.renameLocations( /*findInStrings*/ false, /*findInComments*/ false);
12 changes: 12 additions & 0 deletions tests/cases/fourslash/renameJsThisProperty02.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
/// <reference path='fourslash.ts'/>

// @allowJs: true
// @Filename: a.js
////function bar() {
//// this./**/[|x|] = 10;
////}
////var t = new bar();
////t.[|x|] = 11;

goTo.marker();
verify.renameLocations( /*findInStrings*/ false, /*findInComments*/ false);