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Resolve aliases before using getTypereferenceType (#24594)

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This commit is contained in:
Wesley Wigham
2018-06-04 14:19:41 -07:00
committed by GitHub
parent b3a4b72a16
commit cbbf2e4e6f
5 changed files with 243 additions and 3 deletions
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7
src/compiler/checker.ts
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@@ -9204,12 +9204,13 @@ namespace ts {
}
function resolveImportSymbolType(node: ImportTypeNode, links: NodeLinks, symbol: Symbol, meaning: SymbolFlags) {
links.resolvedSymbol = symbol;
const resolvedSymbol = resolveSymbol(symbol);
links.resolvedSymbol = resolvedSymbol;
if (meaning === SymbolFlags.Value) {
return links.resolvedType = getTypeOfSymbol(symbol);
return links.resolvedType = getTypeOfSymbol(symbol); // intentionally doesn't use resolved symbol so type is cached as expected on the alias
}
else {
return links.resolvedType = getTypeReferenceType(node, symbol);
return links.resolvedType = getTypeReferenceType(node, resolvedSymbol); // getTypeReferenceType doesn't handle aliases - it must get the resolved symbol
}
}