importScripts('/assets/cache-polyfill.js'); self.addEventListener('install', function (e) { e.waitUntil( caches.open('mitjafelicijan').then(function (cache) { return cache.addAll([ '/?homescreen=1', '/assets/site.min.css', ]); }) ); }); self.addEventListener('fetch', function (event) { event.respondWith( caches.match(event.request).then(function (response) { return response || fetch(event.request); }) ); });