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Consider for-in and for-of variables to be definitely assigned

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This commit is contained in:
Anders Hejlsberg 2016-03-04 13:19:58 -08:00
parent 1302418776
commit d6fcd1af1b
1 changed files with 4 additions and 0 deletions
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4
src/compiler/checker.ts
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@ -7525,6 +7525,10 @@ namespace ts {
if (!declaration || declaration.kind !== SyntaxKind.VariableDeclaration || (<VariableDeclaration>declaration).initializer) {
return;
}
const parentParentKind = declaration.parent.parent.kind;
if (parentParentKind === SyntaxKind.ForOfStatement || parentParentKind === SyntaxKind.ForInStatement) {
return;
}
const declarationContainer = getContainingFunction(declaration) || getSourceFileOfNode(declaration);
const referenceContainer = getContainingFunction(reference) || getSourceFileOfNode(reference);
if (declarationContainer !== referenceContainer) {