third_party/blink/renderer/modules/service_worker/extendable_message_event.idl

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://w3c.github.io/ServiceWorker/#extendablemessageevent-interface

[
    Exposed=ServiceWorker
] interface ExtendableMessageEvent : ExtendableEvent {
    constructor(DOMString type, optional ExtendableMessageEventInit eventInitDict = {});
    [CallWith=ScriptState, CachedAttribute=isDataDirty] readonly attribute any data;
    readonly attribute DOMString origin;
    readonly attribute DOMString lastEventId;
    [SameObject] readonly attribute (Client or ServiceWorker or MessagePort)? source;
    readonly attribute FrozenArray<MessagePort> ports;
};