// Copyright 2018 The AMPHTML Authors
//
// 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
//
//      http://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.

workbox.skipWaiting();
workbox.clientsClaim();

self.addEventListener('install', event => {
  const urls = [
    'https://cdn.ampproject.org/v0.js',
    'https://cdn.ampproject.org/v0/validator.js',
  ];
  event.waitUntil(
    caches.open(workbox.core.cacheNames.runtime).then(cache => cache.addAll(urls))
  );
});

const networkFirst = workbox.strategies.networkFirst();
const staleWhileRevalidate = workbox.strategies.staleWhileRevalidate();

workbox.routing.registerRoute(/https:\/\/cdn\.ampproject\.org\/.*/, staleWhileRevalidate);
workbox.routing.registerRoute(/\/document\/.*/, networkFirst);
workbox.routing.registerRoute(/\/amp\/.*/, networkFirst);
workbox.routing.registerRoute(/.*/, staleWhileRevalidate);
