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LibJS: Close iterator on throw completion in Array.from

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This regressed in #10190
This commit is contained in:
Idan Horowitz 2021-09-24 01:41:54 +03:00
commit 5f80d8245d
Notes: sideshowbarker 2024-07-18 03:30:54 +09:00
1 changed files with 3 additions and 2 deletions
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5
Userland/Libraries/LibJS/Runtime/ArrayConstructor.cpp
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@ -149,11 +149,12 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayConstructor::from)
Value mapped_value;
if (map_fn) {
mapped_value = TRY_OR_DISCARD(vm.call(*map_fn, this_arg, next_value, Value(k)));
if (vm.exception()) {
auto mapped_value_or_error = vm.call(*map_fn, this_arg, next_value, Value(k));
if (mapped_value_or_error.is_error()) {
iterator_close(*iterator);
return {};
}
mapped_value = mapped_value_or_error.release_value();
} else {
mapped_value = next_value;
}