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LibJS: Throw if the trap result of OwnPropertyKeys contains duplicates

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This commit is contained in:
Idan Horowitz
2021-07-06 23:53:34 +03:00
committed by Linus Groh
parent d577678658
commit dd27490ee1
4 changed files with 21 additions and 11 deletions
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8
Userland/Libraries/LibJS/Runtime/AbstractOperations.cpp
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@@ -57,7 +57,7 @@ size_t length_of_array_like(GlobalObject& global_object, Object const& object)
}
// 7.3.19 CreateListFromArrayLike ( obj [ , elementTypes ] ), https://tc39.es/ecma262/#sec-createlistfromarraylike
MarkedValueList create_list_from_array_like(GlobalObject& global_object, Value value, Function<Result<void, ErrorType>(Value)> check_value)
MarkedValueList create_list_from_array_like(GlobalObject& global_object, Value value, Function<void(Value)> check_value)
{
auto& vm = global_object.vm();
auto& heap = global_object.heap();
@@ -76,11 +76,9 @@ MarkedValueList create_list_from_array_like(GlobalObject& global_object, Value v
if (vm.exception())
return MarkedValueList { heap };
if (check_value) {
auto result = check_value(next);
if (result.is_error()) {
vm.throw_exception<TypeError>(global_object, result.release_error());
check_value(next);
if (vm.exception())
return MarkedValueList { heap };
}
}
list.append(next);
}