74 lines
1.8 KiB
JavaScript

// --- Time Pulse Service Worker ---
const CACHE_NAME = 'timepulse-v1';
// Files to cache (App Shell)
const filesToCache = [
'/',
'/index.html',
'/style/style.css',
'/js/main.js',
'/js/ui.js',
'/js/api.js',
'/js/utils.js',
'/manifest.json',
'/icons/icon-192x192.webp',
'/icons/icon-512x512.webp'
];
// --- Install Event ---
self.addEventListener('install', event => {
console.log('[SW] Install event');
event.waitUntil(
caches.open(CACHE_NAME)
.then(cache => {
console.log('[SW] Caching app shell');
return cache.addAll(filesToCache);
})
);
self.skipWaiting(); // Activate worker immediately
});
// --- Activate Event ---
self.addEventListener('activate', event => {
console.log('[SW] Activate event');
event.waitUntil(
caches.keys().then(keys =>
Promise.all(
keys.map(key => {
if (key !== CACHE_NAME) {
console.log('[SW] Removing old cache:', key);
return caches.delete(key);
}
})
)
)
);
self.clients.claim(); // Become available to all pages
});
// --- Fetch Event ---
self.addEventListener('fetch', event => {
// Ignore non-GET requests and API calls
if (event.request.method !== 'GET' || event.request.url.includes('/api/')) {
return;
}
event.respondWith(
caches.match(event.request)
.then(response => {
// Return cached file OR fetch from network
return response || fetch(event.request).then(fetchResponse => {
// Optionally cache new files on the fly
return caches.open(CACHE_NAME).then(cache => {
cache.put(event.request, fetchResponse.clone());
return fetchResponse;
});
});
})
.catch(() => {
// Optional: return a fallback page or image here
})
);
});