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LibWeb/IDB: Implement fire_an_error_event

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stelar7 2025-04-11 11:09:16 +02:00
parent 4042e309a6
commit e5264640fc
2 changed files with 46 additions and 0 deletions
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45
Libraries/LibWeb/IndexedDB/Internal/Algorithms.cpp
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@ -1025,4 +1025,49 @@ bool check_that_a_key_could_be_injected_into_a_value(JS::Realm& realm, JS::Value
return value.is_object() || MUST(value.is_array(realm.vm()));
}
// https://w3c.github.io/IndexedDB/#fire-an-error-event
void fire_an_error_event(JS::Realm& realm, GC::Ref<IDBRequest> request)
{
// 1. Let event be the result of creating an event using Event.
// 2. Set event’s type attribute to "error".
// 3. Set event’s bubbles and cancelable attributes to true.
auto event = DOM::Event::create(realm, HTML::EventNames::error, { .bubbles = true, .cancelable = true });
// 4. Let transaction be request’s transaction.
auto transaction = request->transaction();
// 5. Let legacyOutputDidListenersThrowFlag be initially false.
bool legacy_output_did_listeners_throw_flag = false;
// 6. If transaction’s state is inactive, then set transaction’s state to active.
if (transaction->state() == IDBTransaction::TransactionState::Inactive)
transaction->set_state(IDBTransaction::TransactionState::Active);
// 7. Dispatch event at request with legacyOutputDidListenersThrowFlag.
DOM::EventDispatcher::dispatch(request, *event, false, legacy_output_did_listeners_throw_flag);
// 8. If transaction’s state is active, then:
if (transaction->state() == IDBTransaction::TransactionState::Active) {
// 1. Set transaction’s state to inactive.
transaction->set_state(IDBTransaction::TransactionState::Inactive);
// 2. If legacyOutputDidListenersThrowFlag is true, then run abort a transaction with transaction and a newly created "AbortError" DOMException and terminate these steps.
// This is done even if event’s canceled flag is false.
if (legacy_output_did_listeners_throw_flag) {
abort_a_transaction(*transaction, WebIDL::AbortError::create(realm, "Error event interrupted by exception"_string));
return;
}
// 3. If event’s canceled flag is false, then run abort a transaction using transaction and request's error, and terminate these steps.
if (!event->cancelled()) {
abort_a_transaction(*transaction, request->error());
return;
}
// 4. If transaction’s request list is empty, then run commit a transaction with transaction.
if (transaction->request_list().is_empty())
commit_a_transaction(realm, *transaction);
}
}
}

1
Libraries/LibWeb/IndexedDB/Internal/Algorithms.h
View file

@ -33,5 +33,6 @@ WebIDL::ExceptionOr<ErrorOr<GC::Ref<Key>>> convert_a_value_to_a_multi_entry_key(
WebIDL::ExceptionOr<ErrorOr<JS::Value>> evaluate_key_path_on_a_value(JS::Realm&, JS::Value, KeyPath const&);
WebIDL::ExceptionOr<ErrorOr<GC::Ref<Key>>> extract_a_key_from_a_value_using_a_key_path(JS::Realm&, JS::Value, KeyPath const&, bool = false);
bool check_that_a_key_could_be_injected_into_a_value(JS::Realm&, JS::Value, KeyPath const&);
void fire_an_error_event(JS::Realm&, GC::Ref<IDBRequest>);
}