var CACHE = 'myMPD-cache-v4.7.2'; var urlsToCache = [ '/', '/player.html', '/css/bootstrap.min.css', '/css/mympd.min.css', '/js/bootstrap-native-v4.min.js', '/js/mympd.min.js', '/js/player.min.js', '/js/keymap.min.js', '/assets/appicon-167.png', '/assets/appicon-192.png', '/assets/appicon-512.png', '/assets/coverimage-httpstream.png', '/assets/coverimage-notavailable.png', '/assets/coverimage-loading.png', '/assets/favicon.ico', '/assets/MaterialIcons-Regular.ttf', '/assets/MaterialIcons-Regular.woff', '/assets/MaterialIcons-Regular.woff2' ]; self.addEventListener('install', function(event) { event.waitUntil( caches.open(CACHE).then(function(cache) { return cache.addAll(urlsToCache); }) ); }); self.addEventListener('fetch', function(event) { if (event.request.url.match('^http://')) return false; event.respondWith( caches.match(event.request).then(function(response) { if (response) return response else return fetch(event.request); }) ); }); self.addEventListener('activate', function(event) { event.waitUntil( caches.keys().then(function(cacheNames) { return Promise.all( cacheNames.map(function(cacheName) { if (cacheName != CACHE) return caches.delete(cacheName); }) ); }) ); });