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do not report error on non-initialized const bindings in for-in\for-of statements

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Vladimir Matveev 2015-02-25 18:01:40 -08:00
parent 33dfe5068a
commit 32aef1a031
1 changed files with 2 additions and 1 deletions
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3
src/compiler/checker.ts
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@ -11498,7 +11498,8 @@ module ts {
if (isBindingPattern(node.name) && !isBindingPattern(node.parent)) {
return grammarErrorOnNode(node, Diagnostics.A_destructuring_declaration_must_have_an_initializer);
}
if (isConst(node)) {
// const declarations should not be initialized in for-in for-of statements
if (isConst(node) && node.parent.parent.kind !== SyntaxKind.ForInStatement && node.parent.parent.kind !== SyntaxKind.ForOfStatement) {
return grammarErrorOnNode(node, Diagnostics.const_declarations_must_be_initialized);
}
}