44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
/* global noConnection:false, Promise:false */
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var CACHE_NAME = 'youcount-cache-1.4';
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var urlsToCache = [
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'/index.html',
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'/images/social.png',
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'/js/script.js'
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];
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self.addEventListener('install', function (event) {
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event.waitUntil(
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caches.open(CACHE_NAME)
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.then(function (cache) {
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return cache.addAll(urlsToCache);
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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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event.waitUntil(
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caches.keys().then(function (cacheNames) {
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return Promise.all(
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cacheNames.filter(function (cacheName) {
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return cacheName != CACHE_NAME;
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}).map(function (cacheName) {
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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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self.addEventListener('fetch', function (event) {
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try {
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event.respondWith(
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caches.match(event.request)
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.then(function (response) {
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if (response) {
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return response;
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}
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return fetch(event.request);
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})
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);
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} catch (err) {
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noConnection('Service Worker failed to fetch!');
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}
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});
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