chromium/third_party/blink/renderer/modules/service_worker/fetch_event.idl

// Copyright 2014 The Chromium Authors
// 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/#fetchevent-interface
[
    ActiveScriptWrappable,
    Exposed=ServiceWorker
] interface FetchEvent : ExtendableEvent {
    [CallWith=ScriptState] constructor(DOMString type, FetchEventInit eventInitDict);
    [SameObject] readonly attribute Request request;
    readonly attribute DOMString clientId;
    readonly attribute DOMString resultingClientId;
    readonly attribute boolean isReload;

    [CallWith=ScriptState, RaisesException] void respondWith(Promise<Response> r);
    [CallWith=ScriptState] readonly attribute Promise<any> preloadResponse;
    [CallWith=ScriptState] readonly attribute Promise<undefined> handled;
};