Promise.webidl
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*
* The origin of this IDL file is
* http://dom.spec.whatwg.org/#promises
*/
// TODO We use object instead Function. There is an open issue on WebIDL to
// have different types for "platform-provided function" and "user-provided
// function"; for now, we just use "object".
callback PromiseInit = void (object resolve, object reject);
[TreatNonCallableAsNull]
callback AnyCallback = any (any value);
// REMOVE THE RELEVANT ENTRY FROM test_interfaces.html WHEN THIS IS IMPLEMENTED IN JS.
[Constructor(PromiseInit init),
Exposed=(Window,Worker,System)]
// Need to escape "Promise" so it's treated as an identifier.
interface _Promise {
// TODO bug 875289 - static Promise fulfill(any value);
// Disable the static methods when the interface object is supposed to be
// disabled, just in case some code decides to walk over to .constructor from
// the proto of a promise object or someone screws up and manages to create a
// Promise object in this scope without having resolved the interface object
// first.
[NewObject]
static Promise<any> resolve(optional any value);
[NewObject]
static Promise<void> reject(optional any value);
// The [TreatNonCallableAsNull] annotation is required since then() should do
// nothing instead of throwing errors when non-callable arguments are passed.
[NewObject, MethodIdentityTestable]
Promise<any> then([TreatNonCallableAsNull] optional AnyCallback? fulfillCallback = null,
[TreatNonCallableAsNull] optional AnyCallback? rejectCallback = null);
[NewObject]
Promise<any> catch([TreatNonCallableAsNull] optional AnyCallback? rejectCallback = null);
[NewObject]
static Promise<any> all(sequence<any> iterable);
[NewObject]
static Promise<any> race(sequence<any> iterable);
};