mirror of
https://github.com/SuperBFG7/ympd
synced 2024-09-30 15:10:39 +00:00
76 lines
2.1 KiB
JavaScript
76 lines
2.1 KiB
JavaScript
var CACHE = 'myMPD-cache-v3.3.0';
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var urlsToCache = [
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'/',
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'/player.html',
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'/css/bootstrap.min.css',
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'/css/mpd.css',
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'/js/bootstrap-native-v4.min.js',
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'/js/mpd.js',
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'/js/player.js',
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'/assets/appicon-167.png',
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'/assets/appicon-192.png',
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'/assets/appicon-512.png',
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'/assets/coverimage-httpstream.png',
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'/assets/coverimage-notavailable.png',
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'/assets/favicon.ico',
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'/assets/MaterialIcons-Regular.eot',
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'/assets/MaterialIcons-Regular.ttf',
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'/assets/MaterialIcons-Regular.woff',
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'/assets/MaterialIcons-Regular.woff2'
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];
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self.addEventListener('install', function(event) {
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console.log('The service worker is being installed.');
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event.waitUntil(preCache());
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});
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self.addEventListener('fetch', function(event) {
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if (!navigator.onLine) {
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event.respondWith(fromCache(event.request));
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}
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else {
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var url = event.request.url.replace(/^https?:\/\/[^\/]+/,'');
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if (urlsToCache.includes(url)) {
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event.respondWith(fromCache(event.request));
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event.waitUntil(update(event.request));
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console.log('Serve request from cache: ' + url);
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}
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}
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});
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function preCache() {
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return caches.open(CACHE).then(function(cache) {
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return cache.addAll(urlsToCache);
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});
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}
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function fromCache(request) {
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return caches.open(CACHE).then(function(cache) {
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return cache.match(request).then(function(matching) {
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return matching || Promise.reject('no-match');
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});
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});
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}
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function update(request) {
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return caches.open(CACHE).then(function(cache) {
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return fetch(request).then(function(response) {
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return cache.put(request, response);
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});
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});
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}
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self.addEventListener('activate', function(event) {
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var cacheWhitelist = ['myMPD-cache-v3.3.0'];
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event.waitUntil(
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caches.keys().then(function(cacheNames) {
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return Promise.all(
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cacheNames.map(function(cacheName) {
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if (cacheWhitelist.indexOf(cacheName) === -1)
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return caches.delete(cacheName);
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})
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);
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})
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);
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});
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