49 lines
1.3 KiB
JavaScript
49 lines
1.3 KiB
JavaScript
const CACHE_NAME = 'timetracker-test-v1';
|
|
const urlsToCache = ['/', '/index.html'];
|
|
|
|
self.addEventListener('install', event => {
|
|
console.log('[SW] Install');
|
|
event.waitUntil(
|
|
caches.open(CACHE_NAME).then(cache => {
|
|
console.log('[SW] Caching shell:', urlsToCache);
|
|
return cache.addAll(urlsToCache);
|
|
}).catch(err => console.error('[SW] Install failed:', err))
|
|
);
|
|
});
|
|
|
|
self.addEventListener('activate', event => {
|
|
console.log('[SW] Activate');
|
|
event.waitUntil(
|
|
caches.keys().then(cacheNames =>
|
|
Promise.all(
|
|
cacheNames.map(name => {
|
|
if (name !== CACHE_NAME) {
|
|
console.log('[SW] Deleting old cache:', name);
|
|
return caches.delete(name);
|
|
}
|
|
})
|
|
)
|
|
)
|
|
);
|
|
});
|
|
|
|
self.addEventListener('fetch', event => {
|
|
if (event.request.method !== 'GET') return;
|
|
|
|
event.respondWith(
|
|
caches.match(event.request).then(cached => {
|
|
if (cached) {
|
|
console.log('[SW] Cache hit:', event.request.url);
|
|
return cached;
|
|
}
|
|
|
|
return fetch(event.request).then(networkRes => {
|
|
return networkRes;
|
|
}).catch(err => {
|
|
console.error('[SW] Fetch failed:', event.request.url, err);
|
|
return new Response('Offline', { status: 503 });
|
|
});
|
|
})
|
|
);
|
|
});
|