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Managing control flow

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This commit is contained in:
navya9singh 2022-08-31 13:13:29 -07:00
parent 9b1cbe059b
commit cd312d3076
1 changed files with 4 additions and 3 deletions
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7
src/compiler/checker.ts
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@ -15589,12 +15589,13 @@ m2: ${(this.mapper2 as unknown as DebugTypeMapper).__debugToString().split("\n")
return accessFlags & AccessFlags.IncludeUndefined ? getUnionType([indexInfo.type, undefinedType]) : indexInfo.type;
}
errorIfWritingToReadonlyIndex(indexInfo);
if (accessFlags & AccessFlags.IncludeUndefined && objectType.symbol && objectType.symbol.flags & (SymbolFlags.RegularEnum | SymbolFlags.ConstEnum)) {
if (indexType.symbol && indexType.flags & TypeFlags.EnumLiteral && getParentOfSymbol(indexType.symbol) === objectType.symbol) {
if (accessFlags & AccessFlags.IncludeUndefined) {
if (objectType.symbol && objectType.symbol.flags & (SymbolFlags.RegularEnum | SymbolFlags.ConstEnum) && (indexType.symbol && indexType.flags & TypeFlags.EnumLiteral && getParentOfSymbol(indexType.symbol) === objectType.symbol)) {
return indexInfo.type;
}
return getUnionType([indexInfo.type, undefinedType]);
}
return accessFlags & AccessFlags.IncludeUndefined ? getUnionType([indexInfo.type, undefinedType]) : indexInfo.type;
return indexInfo.type;
}
if (indexType.flags & TypeFlags.Never) {
return neverType;