Fix crash when looking for __esModule during symbol table merging
#52554
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typescript-bot
added
Author: Team
For Milestone Bug
sheetalkamat
reviewed
Feb 2, 2023
| @@ -3882,7 +3882,9 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker { | |||
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| function resolveExportByName(moduleSymbol: Symbol, name: __String, sourceNode: TypeOnlyCompatibleAliasDeclaration | undefined, dontResolveAlias: boolean) { | |||
| const exportValue = moduleSymbol.exports!.get(InternalSymbolName.ExportEquals); | |||
| const exportSymbol = exportValue ? getPropertyOfType(getTypeOfSymbol(exportValue), name) : moduleSymbol.exports!.get(name); | |||
| const exportSymbol = exportValue | |||
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May be adding a note or something just as a reminder would be good. (that its called for default or __esModule
sheetalkamat
approved these changes
Feb 2, 2023
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Fixes #48701
This is just more of #37964, but for our own lookups of
__esModule. This function is literally only called with"__esModule"andInternalSymbolName.Default, so I can guarantee it doesn’t need to look at the global object type for those.