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Merge pull request #14343 from Microsoft/undefined_declarations

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Add check for undefined declarations
This commit is contained in:
Andy 2017-02-28 08:44:41 -08:00 committed by GitHub
commit fc9bcc1d8f
2 changed files with 15 additions and 1 deletions
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6
src/services/goToDefinition.ts
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@ -198,7 +198,11 @@ namespace ts.GoToDefinition {
return false;
}
function tryAddSignature(signatureDeclarations: Declaration[], selectConstructors: boolean, symbolKind: string, symbolName: string, containerName: string, result: DefinitionInfo[]) {
function tryAddSignature(signatureDeclarations: Declaration[] | undefined, selectConstructors: boolean, symbolKind: string, symbolName: string, containerName: string, result: DefinitionInfo[]) {
if (!signatureDeclarations) {
return false;
}
const declarations: Declaration[] = [];
let definition: Declaration | undefined;

10
tests/cases/fourslash/goToDefinition_untypedModule.ts Normal file
View file

@ -0,0 +1,10 @@
/// <reference path='fourslash.ts' />
// @Filename: /node_modules/foo/index.js
////not read
// @Filename: /a.ts
////import { f } from "foo";
/////**/f();
verify.goToDefinition("", []);