Golden Dream const CACHE_NAME = "offline-cache-v1"; const BASE_URL = "https://goldendream.in/"; const urlsToCache = [BASE_URL + "noInternet/index.html", BASE_URL + "noInternet/sw.js", BASE_URL + "landing/landing_assets/images/gdLogo.png"]; // Install event - cache the required files self.addEventListener("install", (event) => { event.waitUntil( caches.open(CACHE_NAME).then((cache) => { console.log("Opened cache"); return cache.addAll(urlsToCache); }) ); }); // Activate event - clean up old caches self.addEventListener("activate", (event) => { event.waitUntil( caches.keys().then((cacheNames) => { return Promise.all( cacheNames.map((cacheName) => { if (cacheName !== CACHE_NAME) { return caches.delete(cacheName); } }) ); }) ); }); // Fetch event - serve from cache if offline self.addEventListener("fetch", (event) => { event.respondWith( caches.match(event.request).then((response) => { // Cache hit - return response if (response) { return response; } return fetch(event.request) .then((response) => { // Check if we received a valid response if (!response || response.status !== 200 || response.type !== "basic") { return response; } // Clone the response const responseToCache = response.clone(); caches.open(CACHE_NAME).then((cache) => { cache.put(event.request, responseToCache); }); return response; }) .catch(() => { // If both cache and network fail, show offline page if (event.request.mode === "navigate") { return caches.match(BASE_URL + "noInternet/index.html"); } }); }) ); });