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Allow indexed access to empty property

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Fixes: https://github.com/Microsoft/TypeScript/issues/15209
This commit is contained in:
Vladimir Kurchatkin
2017-05-02 01:39:02 +03:00
parent 88f9a978dd
commit d45d289f36
4 changed files with 8 additions and 4 deletions
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2
src/compiler/checker.ts
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@@ -7257,7 +7257,7 @@ namespace ts {
accessExpression && checkThatExpressionIsProperSymbolReference(accessExpression.argumentExpression, indexType, /*reportError*/ false) ?
getPropertyNameForKnownSymbolName((<Identifier>(<PropertyAccessExpression>accessExpression.argumentExpression).name).text) :
undefined;
if (propName) {
if (propName !== undefined) {
const prop = getPropertyOfType(objectType, propName);
if (prop) {
if (accessExpression) {