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Dont follow aliases when looking for default exported symbol (#22995)

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This commit is contained in:
Wesley Wigham
2018-03-29 12:46:31 -07:00
committed by GitHub
parent 51d44b6097
commit 3365272f69
5 changed files with 134 additions and 2 deletions
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4
src/compiler/checker.ts
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@@ -1741,8 +1741,8 @@ namespace ts {
// Declaration files (and ambient modules)
if (!file || file.isDeclarationFile) {
// Definitely cannot have a synthetic default if they have a syntactic default member specified
const defaultExportSymbol = resolveExportByName(moduleSymbol, InternalSymbolName.Default, dontResolveAlias);
if (defaultExportSymbol && defaultExportSymbol.valueDeclaration && isSyntacticDefault(defaultExportSymbol.valueDeclaration)) {
const defaultExportSymbol = resolveExportByName(moduleSymbol, InternalSymbolName.Default, /*dontResolveAlias*/ true); // Dont resolve alias because we want the immediately exported symbol's declaration
if (defaultExportSymbol && some(defaultExportSymbol.declarations, isSyntacticDefault)) {
return false;
}
// It _might_ still be incorrect to assume there is no __esModule marker on the import at runtime, even if there is no `default` member