microsoft/TypeScript
1
0
Fork 0
mirror of https://github.com/microsoft/TypeScript.git synced 2026-05-17 01:49:57 -05:00
Code Issues Packages Projects Releases 212 Wiki Activity

fix(36936): fix crash caused by resolving non existent export (#37077)

Browse Source
This commit is contained in:
Alexander T
2020-03-17 22:21:20 +02:00
committed by GitHub
parent f1eb9898fb
commit a510cad873
5 changed files with 132 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/compiler/checker.ts
View File

@@ -3095,8 +3095,8 @@ namespace ts {
function resolveExternalModuleSymbol(moduleSymbol: Symbol, dontResolveAlias?: boolean): Symbol;
function resolveExternalModuleSymbol(moduleSymbol: Symbol | undefined, dontResolveAlias?: boolean): Symbol | undefined;
function resolveExternalModuleSymbol(moduleSymbol: Symbol, dontResolveAlias?: boolean): Symbol {
if (moduleSymbol) {
const exportEquals = resolveSymbol(moduleSymbol.exports!.get(InternalSymbolName.ExportEquals), dontResolveAlias);
if (moduleSymbol?.exports) {
const exportEquals = resolveSymbol(moduleSymbol.exports.get(InternalSymbolName.ExportEquals), dontResolveAlias);
const exported = getCommonJsExportEquals(getMergedSymbol(exportEquals), getMergedSymbol(moduleSymbol));
return getMergedSymbol(exported) || moduleSymbol;
}