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const CACHE_NAME = 'jcr-guide-pro-v1.0.0'; |
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const urlsToCache = [ |
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'/', |
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'/static/js/bundle.js', |
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'/static/css/main.css', |
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'/manifest.json', |
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'/icon-192.png', |
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'/icon-512.png' |
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]; |
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// Install Service Worker |
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self.addEventListener('install', (event) => { |
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event.waitUntil( |
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caches.open(CACHE_NAME) |
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.then((cache) => { |
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console.log('Opened cache'); |
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return cache.addAll(urlsToCache); |
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}) |
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); |
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}); |
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// Fetch |
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self.addEventListener('fetch', (event) => { |
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event.respondWith( |
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caches.match(event.request) |
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.then((response) => { |
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// Return cached version or fetch from network |
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if (response) { |
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return response; |
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} |
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return fetch(event.request); |
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} |
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) |
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); |
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}); |
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// Activate |
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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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}); |
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// Background sync for offline functionality |
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self.addEventListener('sync', (event) => { |
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if (event.tag === 'background-sync') { |
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event.waitUntil(doBackgroundSync()); |
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} |
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}); |
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function doBackgroundSync() { |
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// Handle background sync tasks |
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console.log('Background sync triggered'); |
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} |
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// Push notifications (if needed in future) |
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self.addEventListener('push', (event) => { |
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const options = { |
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body: event.data ? event.data.text() : 'New update available', |
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icon: '/icon-192.png', |
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badge: '/icon-192.png' |
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}; |
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event.waitUntil( |
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self.registration.showNotification('JCRGuru', options) |
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); |
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}); |