Amirul Islam Redwan71
82 lines
2.2 KiB
JavaScript
82 lines
2.2 KiB
JavaScript
// Aura Cloud Service Worker — High-Performance Offline & Shell Cache v2.0
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const CACHE_NAME = 'aura-cloud-pwa-v2';
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const STATIC_PRECACHE = [
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'/',
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'/index.html',
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'/manifest.json',
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'/logo.png',
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'/apple-touch-icon.png',
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'/icon-192.png',
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'/icon-512.png',
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'/icon-maskable-192.png',
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'/icon-maskable-512.png',
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'/privacy.html',
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'/terms.html'
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];
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self.addEventListener('install', (event) => {
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event.waitUntil(
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caches.open(CACHE_NAME).then((cache) => {
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return cache.addAll(STATIC_PRECACHE).catch((err) => {
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console.warn('[Aura PWA SW] Pre-cache initial warning:', err);
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});
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}).then(() => self.skipWaiting())
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);
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});
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self.addEventListener('activate', (event) => {
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event.waitUntil(
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caches.keys().then((keys) => {
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return Promise.all(
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keys.filter((k) => k !== CACHE_NAME).map((k) => caches.delete(k))
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);
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}).then(() => self.clients.claim())
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);
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});
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self.addEventListener('fetch', (event) => {
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const req = event.request;
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const url = new URL(req.url);
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// 1. Bypass external/cross-origin requests (Auth, Analytics, Fonts, APIs)
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if (url.origin !== self.location.origin) {
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return;
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}
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// 2. Network-first strategy for navigation / HTML routes (instant updates)
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if (req.mode === 'navigate' || req.headers.get('accept')?.includes('text/html')) {
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event.respondWith(
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fetch(req)
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.then((networkRes) => {
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if (networkRes && networkRes.ok) {
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const clone = networkRes.clone();
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caches.open(CACHE_NAME).then((cache) => cache.put(req, clone));
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}
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return networkRes;
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})
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.catch(() => {
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return caches.match(req).then((cached) => cached || caches.match('/index.html'));
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})
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);
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return;
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}
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// 3. Stale-while-revalidate for same-origin static assets
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event.respondWith(
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caches.match(req).then((cached) => {
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const fetchPromise = fetch(req)
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.then((networkRes) => {
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if (networkRes && networkRes.ok) {
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const clone = networkRes.clone();
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caches.open(CACHE_NAME).then((cache) => cache.put(req, clone));
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}
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return networkRes;
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})
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.catch(() => null);
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return cached || fetchPromise;
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})
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);
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});
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