107 lines
3.3 KiB
JavaScript
107 lines
3.3 KiB
JavaScript
const CACHE_NAME = 'whisky-vault-v3'; // Increment version to apply new strategy
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const ASSETS_TO_CACHE = [
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'/manifest.json',
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'/icon-192.png',
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'/icon-512.png',
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'/favicon.ico',
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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(ASSETS_TO_CACHE);
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})
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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((cacheNames) => {
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return Promise.all(
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cacheNames.map((cacheName) => {
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if (cacheName !== CACHE_NAME) {
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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.clients.claim();
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});
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// Helper for Network-First with Timeout
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function fetchWithTimeout(request, timeoutMs = 3000) {
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return new Promise((resolve, reject) => {
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const timeoutId = setTimeout(() => {
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reject(new Error('Network timeout'));
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}, timeoutMs);
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fetch(request).then(
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(response) => {
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clearTimeout(timeoutId);
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resolve(response);
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},
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(err) => {
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clearTimeout(timeoutId);
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reject(err);
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}
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);
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});
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}
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self.addEventListener('fetch', (event) => {
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const url = new URL(event.request.url);
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// CRITICAL: Always bypass cache for auth, api, and supabase requests
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const isAuthRequest = url.pathname.includes('/auth/') ||
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url.pathname.includes('/v1/auth/') ||
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url.pathname.includes('/v1/token');
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const isApiRequest = url.pathname.includes('/api/');
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const isSupabaseRequest = url.hostname.includes('supabase.co');
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if (isAuthRequest || isApiRequest || isSupabaseRequest) {
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return;
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}
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// 1. ASSETS & APP SHELL: Stale-While-Revalidate
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const isAsset = event.request.destination === 'style' ||
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event.request.destination === 'script' ||
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event.request.destination === 'worker' ||
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event.request.destination === 'font' ||
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event.request.destination === 'image' ||
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url.pathname.startsWith('/_next/static');
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if (isAsset) {
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event.respondWith(
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caches.match(event.request).then((cachedResponse) => {
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const fetchPromise = fetch(event.request).then((networkResponse) => {
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if (networkResponse && networkResponse.status === 200) {
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const responseClone = networkResponse.clone();
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caches.open(CACHE_NAME).then((cache) => {
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cache.put(event.request, responseClone);
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});
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}
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return networkResponse;
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});
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return cachedResponse || fetchPromise;
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})
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);
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return;
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}
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// 2. NAVIGATION: Network-First with 3s Timeout
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if (event.request.mode === 'navigate') {
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event.respondWith(
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fetchWithTimeout(event.request, 3000)
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.catch(() => {
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console.log('[SW] Navigation network failure or timeout, falling back to cache');
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return caches.match(event.request);
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})
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);
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return;
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}
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// Default: Network-Only or default fetch
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return;
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});
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