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LibWeb: Visit m_when_defined_promise_map in CustomElementRegistry

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Aliaksandr Kalenik
2024-03-11 19:57:08 +01:00
committed by Alexander Kalenik
parent 90112468ac
commit bf11f4f73f
Notes: sideshowbarker 2024-07-16 23:34:49 +09:00 
Author: https://github.com/kalenikaliaksandr
Commit: https://github.com/SerenityOS/serenity/commit/bf11f4f73f
Pull-request: https://github.com/SerenityOS/serenity/pull/23553
2 changed files with 6 additions and 4 deletions
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8
Userland/Libraries/LibWeb/HTML/CustomElements/CustomElementRegistry.cpp
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@@ -41,6 +41,8 @@ void CustomElementRegistry::visit_edges(Visitor& visitor)
Base::visit_edges(visitor);
for (auto& definition : m_custom_element_definitions)
visitor.visit(definition);
for (auto& [name, promise] : m_when_defined_promise_map)
visitor.visit(promise);
}
// https://webidl.spec.whatwg.org/#es-callback-function
@@ -310,7 +312,7 @@ JS::ThrowCompletionOr<void> CustomElementRegistry::define(String const& name, We
auto promise_when_defined_iterator = m_when_defined_promise_map.find(name);
if (promise_when_defined_iterator != m_when_defined_promise_map.end()) {
// 1. Let promise be the value of that entry.
auto* promise = promise_when_defined_iterator->value.cell();
auto promise = promise_when_defined_iterator->value;
// 2. Resolve promise with constructor.
promise->fulfill(constructor->callback);
@@ -369,10 +371,10 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Promise>> CustomElementRegistry::when_d
auto existing_promise_iterator = m_when_defined_promise_map.find(name);
if (existing_promise_iterator != m_when_defined_promise_map.end()) {
promise = existing_promise_iterator->value.cell();
promise = existing_promise_iterator->value;
} else {
promise = JS::Promise::create(realm);
m_when_defined_promise_map.set(name, JS::make_handle(promise));
m_when_defined_promise_map.set(name, *promise);
}
// 5. Return promise.