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Fix issue with narrowing exported variables

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This commit is contained in:
Anders Hejlsberg
2016-03-07 13:20:07 -08:00
parent 0a25bb58a4
commit 187eaaee7f
1 changed files with 3 additions and 4 deletions
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src/compiler/checker.ts
+3 -4
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@@ -7165,12 +7165,11 @@ namespace ts {
if (!leftmostIdentifier) {
return type;
}
const leftmostSymbol = getResolvedSymbol(leftmostIdentifier);
if (!(leftmostSymbol.flags & SymbolFlags.Variable)) {
const declaration = getExportSymbolOfValueSymbolIfExported(getResolvedSymbol(leftmostIdentifier)).valueDeclaration;
if (!declaration || declaration.kind !== SyntaxKind.VariableDeclaration && declaration.kind !== SyntaxKind.Parameter && declaration.kind !== SyntaxKind.BindingElement) {
return type;
}
const declaration = getDeclarationOfKind(leftmostSymbol, SyntaxKind.VariableDeclaration);
const top = declaration && getDeclarationContainer(declaration);
const top = getDeclarationContainer(declaration);
const originalType = type;
const nodeStack: { node: Node, child: Node }[] = [];
let node: Node = reference;