mirror of
https://github.com/RGBCube/serenity
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3441b37de5
The one current caller of this function always defers microtask checkpoints before calling wait_for_all, ensuring that the promise accept/reject handlers will always be called later in the Web event loop processing. We need to store all the state for the closures in a heap allocated object with HeapFunctions to keep it around while there are still promises to resolve.
34 lines
1.4 KiB
C++
34 lines
1.4 KiB
C++
/*
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* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
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* Copyright (c) 2023, networkException <networkexception@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibJS/Forward.h>
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#include <LibJS/Runtime/PromiseCapability.h>
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#include <LibJS/Runtime/Value.h>
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#include <LibJS/SafeFunction.h>
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#include <LibWeb/Forward.h>
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namespace Web::WebIDL {
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using ReactionSteps = JS::SafeFunction<WebIDL::ExceptionOr<JS::Value>(JS::Value)>;
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// https://webidl.spec.whatwg.org/#es-promise
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using Promise = JS::PromiseCapability;
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JS::NonnullGCPtr<Promise> create_promise(JS::Realm&);
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JS::NonnullGCPtr<Promise> create_resolved_promise(JS::Realm&, JS::Value);
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JS::NonnullGCPtr<Promise> create_rejected_promise(JS::Realm&, JS::Value);
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void resolve_promise(JS::Realm&, Promise const&, JS::Value = JS::js_undefined());
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void reject_promise(JS::Realm&, Promise const&, JS::Value);
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JS::NonnullGCPtr<JS::Promise> react_to_promise(Promise const&, Optional<ReactionSteps> on_fulfilled_callback, Optional<ReactionSteps> on_rejected_callback);
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JS::NonnullGCPtr<JS::Promise> upon_fulfillment(Promise const&, ReactionSteps);
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JS::NonnullGCPtr<JS::Promise> upon_rejection(Promise const&, ReactionSteps);
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void mark_promise_as_handled(Promise const&);
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void wait_for_all(JS::Realm&, Vector<JS::NonnullGCPtr<Promise>> const& promises, Function<void(Vector<JS::Value> const&)> success_steps, Function<void(JS::Value)> failure_steps);
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}
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