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Fix await for inherited promise

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Ron Buckton
2016-12-07 17:17:17 -08:00
parent b0bbbcbe07
commit 8dcbea9675
5 changed files with 50 additions and 1 deletions
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2
src/compiler/checker.ts
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@@ -16207,7 +16207,7 @@ namespace ts {
return undefined;
}
const onfulfilledParameterType = getTypeWithFacts(getUnionType(map(thenSignatures, getTypeOfFirstParameterOfSignature)), TypeFacts.NEUndefined);
const onfulfilledParameterType = getTypeWithFacts(getUnionType(map(thenSignatures, getTypeOfFirstParameterOfSignature)), TypeFacts.NEUndefinedOrNull);
if (isTypeAny(onfulfilledParameterType)) {
return undefined;
}