content/test/data/service_worker/cached_fetch_event.js

// Copyright 2019 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.

const name = 'test_cache';
const resource = '/service_worker/v8_cache_test.js';

self.addEventListener('install', evt => {
  evt.waitUntil(async function() {
    const c = await caches.open(name);
    await c.addAll([resource]);
  }());
});

self.addEventListener('fetch', evt => {
  evt.respondWith(async function() {
    const c = await caches.open(name);
    return c.match(resource);
  }());
});