1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 20:57:35 +00:00

LibWeb: Implement PromiseRejectionEvent

This paves the way for the rejectionhandled and unhandledrejection
events.

It's also used by core-js (in browsers, at least) to check whether
Promise needs to be polyfilled, so adding it should allow more websites
to leverage LibJS's native Promise implementation :^)
This commit is contained in:
Linus Groh 2021-10-11 12:59:45 +01:00
parent 661dd32432
commit f952db1a1f
6 changed files with 75 additions and 0 deletions

View file

@ -15,6 +15,7 @@
#include <LibWeb/Bindings/MouseEventWrapper.h>
#include <LibWeb/Bindings/PageTransitionEventWrapper.h>
#include <LibWeb/Bindings/ProgressEventWrapper.h>
#include <LibWeb/Bindings/PromiseRejectionEventWrapper.h>
#include <LibWeb/Bindings/SubmitEventWrapper.h>
namespace Web::Bindings {
@ -31,6 +32,8 @@ EventWrapper* wrap(JS::GlobalObject& global_object, DOM::Event& event)
return static_cast<MessageEventWrapper*>(wrap_impl(global_object, static_cast<HTML::MessageEvent&>(event)));
if (is<HTML::PageTransitionEvent>(event))
return static_cast<PageTransitionEventWrapper*>(wrap_impl(global_object, static_cast<HTML::PageTransitionEvent&>(event)));
if (is<HTML::PromiseRejectionEvent>(event))
return static_cast<PromiseRejectionEventWrapper*>(wrap_impl(global_object, static_cast<HTML::PromiseRejectionEvent&>(event)));
if (is<HTML::SubmitEvent>(event))
return static_cast<SubmitEventWrapper*>(wrap_impl(global_object, static_cast<HTML::SubmitEvent&>(event)));
if (is<UIEvents::KeyboardEvent>(event))

View file

@ -231,6 +231,8 @@
#include <LibWeb/Bindings/ProcessingInstructionPrototype.h>
#include <LibWeb/Bindings/ProgressEventConstructor.h>
#include <LibWeb/Bindings/ProgressEventPrototype.h>
#include <LibWeb/Bindings/PromiseRejectionEventConstructor.h>
#include <LibWeb/Bindings/PromiseRejectionEventPrototype.h>
#include <LibWeb/Bindings/RangeConstructor.h>
#include <LibWeb/Bindings/RangePrototype.h>
#include <LibWeb/Bindings/ResizeObserverConstructor.h>
@ -396,6 +398,7 @@
ADD_WINDOW_OBJECT_INTERFACE(PerformanceTiming) \
ADD_WINDOW_OBJECT_INTERFACE(ProcessingInstruction) \
ADD_WINDOW_OBJECT_INTERFACE(ProgressEvent) \
ADD_WINDOW_OBJECT_INTERFACE(PromiseRejectionEvent) \
ADD_WINDOW_OBJECT_INTERFACE(Range) \
ADD_WINDOW_OBJECT_INTERFACE(ResizeObserver) \
ADD_WINDOW_OBJECT_INTERFACE(Screen) \

View file

@ -468,6 +468,7 @@ libweb_js_wrapper(HTML/MessageChannel)
libweb_js_wrapper(HTML/MessageEvent)
libweb_js_wrapper(HTML/MessagePort)
libweb_js_wrapper(HTML/PageTransitionEvent)
libweb_js_wrapper(HTML/PromiseRejectionEvent)
libweb_js_wrapper(HTML/SubmitEvent)
libweb_js_wrapper(HTML/WebSocket)
libweb_js_wrapper(HighResolutionTime/Performance)

View file

@ -195,6 +195,7 @@ class MessageChannel;
class MessageEvent;
class MessagePort;
class PageTransitionEvent;
class PromiseRejectionEvent;
class SubmitEvent;
class WebSocket;
}
@ -400,6 +401,7 @@ class PerformanceTimingWrapper;
class PerformanceWrapper;
class ProcessingInstructionWrapper;
class ProgressEventWrapper;
class PromiseRejectionEventWrapper;
class ResizeObserverWrapper;
class ScreenWrapper;
class ScriptExecutionContext;

View file

@ -0,0 +1,52 @@
/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Runtime/Promise.h>
#include <LibJS/Runtime/Value.h>
#include <LibWeb/DOM/Event.h>
namespace Web::HTML {
struct PromiseRejectionEventInit : public DOM::EventInit {
JS::Handle<JS::Promise> promise;
JS::Value reason;
};
class PromiseRejectionEvent : public DOM::Event {
public:
using WrapperType = Bindings::PromiseRejectionEventWrapper;
static NonnullRefPtr<PromiseRejectionEvent> create(FlyString const& event_name, PromiseRejectionEventInit const& event_init = {})
{
return adopt_ref(*new PromiseRejectionEvent(event_name, event_init));
}
static NonnullRefPtr<PromiseRejectionEvent> create_with_global_object(Bindings::WindowObject&, FlyString const& event_name, PromiseRejectionEventInit const& event_init)
{
return PromiseRejectionEvent::create(event_name, event_init);
}
virtual ~PromiseRejectionEvent() override = default;
// Needs to return a pointer for the generated JS bindings to work.
JS::Promise const* promise() const { return m_promise.cell(); }
JS::Value reason() const { return m_reason; }
protected:
PromiseRejectionEvent(FlyString const& event_name, PromiseRejectionEventInit const& event_init)
: DOM::Event(event_name, event_init)
, m_promise(event_init.promise)
, m_reason(event_init.reason)
{
}
JS::Handle<JS::Promise> m_promise;
// FIXME: Protect this from GC! Currently we have no handle for arbitrary JS::Value.
JS::Value m_reason;
};
}

View file

@ -0,0 +1,14 @@
#import <DOM/Event.idl>
[Exposed=(Window,Worker)]
interface PromiseRejectionEvent : Event {
constructor(DOMString type, PromiseRejectionEventInit eventInitDict);
readonly attribute Promise<any> promise;
readonly attribute any reason;
};
dictionary PromiseRejectionEventInit : EventInit {
required Promise<any> promise;
any reason;
};