service-worker.js

/*
 * @license
 * Your First PWA Codelab (https://g.co/codelabs/pwa)
 * Copyright 2019 Google Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License
 */
'use strict';

// CODELAB: Update cache names any time any of the cached files change.
const CACHE_NAME = 'static-cache-v1';

// CODELAB: Add list of files to cache here.
const FILES_TO_CACHE = [
];

self.addEventListener('install', (evt) => {
  // console.log('[ServiceWorker] Install');
  // CODELAB: Precache static resources here.

  self.skipWaiting();
});

self.addEventListener('activate', (evt) => {
  // console.log('[ServiceWorker] Activate');
  // CODELAB: Remove previous cached data from disk.

  self.clients.claim();
});

self.addEventListener('fetch', (evt) => {
  // console.log('[ServiceWorker] Fetch', evt.request.url);
  // CODELAB: Add fetch event handler here.

});