const CACHE_NAME = 'static-cache-v79'; const FILES_TO_CACHE = [ '/favicon.ico', '/offline.html', '/static/v79/css/light.min.css', '/static/v79/css/dark.min.css', '/static/v79/css/material-icons.css', '/static/v79/fonts/MaterialIcons-Regular.woff2', '/static/v79/fonts/MaterialIcons-Regular.woff', '/static/v79/fonts/MaterialIcons-Regular.ttf', '/static/v79/js/jquery-3.4.1.min.js', '/static/v79/js/materialize.min.js', '/static/v79/js/travelynx-actions.min.js', '/static/v79/js/autocomplete.min.js', '/static/v79/js/geolocation.min.js', ]; self.addEventListener('install', (evt) => { evt.waitUntil( caches.open(CACHE_NAME).then((cache) => { return cache.addAll(FILES_TO_CACHE); }) ); self.skipWaiting(); }); self.addEventListener('activate', (evt) => { evt.waitUntil( caches.keys().then((keyList) => { return Promise.all(keyList.map((key) => { if (key !== CACHE_NAME) { return caches.delete(key); } })); }) ); self.clients.claim(); }); self.addEventListener('fetch', (evt) => { if (evt.request.mode !== 'navigate') { return; } evt.respondWith( fetch(evt.request) .catch(() => { return caches.open(CACHE_NAME) .then((cache) => { return cache.match('offline.html'); }); }) ); });