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Permit assignment this.xxx when class has index signature

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This commit is contained in:
Anders Hejlsberg
2019-05-31 11:03:49 -07:00
parent 7dc1f40dc1
commit aaa55923e8
1 changed files with 1 additions and 1 deletions
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src/compiler/checker.ts
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@@ -20192,7 +20192,7 @@ namespace ts {
markAliasReferenced(parentSymbol, node);
}
if (!prop) {
const indexInfo = assignmentKind === AssignmentKind.None || !isGenericObjectType(leftType) ? getIndexInfoOfType(apparentType, IndexKind.String) : undefined;
const indexInfo = assignmentKind === AssignmentKind.None || !isGenericObjectType(leftType) || isThisTypeParameter(leftType) ? getIndexInfoOfType(apparentType, IndexKind.String) : undefined;
if (!(indexInfo && indexInfo.type)) {
if (isJSLiteralType(leftType)) {
return anyType;