Files
NovaSonic/sw.js
T

33 lines
946 B
JavaScript

const CACHE = 'ns-v14';
const PRECACHE = ['/', 'index.html', 'styles.css', 'app.js', 'sw.js'];
const SKIP_URLS = ['/rest/stream', '/rest/download', '/config.js'];
self.addEventListener('install', e => {
e.waitUntil(caches.open(CACHE).then(c => c.addAll(PRECACHE)));
self.skipWaiting();
});
self.addEventListener('activate', e => {
e.waitUntil(
caches.keys().then(keys =>
Promise.all(keys.filter(k => k !== CACHE).map(k => caches.delete(k)))
)
);
self.clients.claim();
});
self.addEventListener('fetch', e => {
if (SKIP_URLS.some(u => e.request.url.includes(u))) return;
e.respondWith(
caches.match(e.request).then(cached =>
cached || fetch(e.request).then(res => {
if (res.status === 200 && e.request.method === 'GET') {
const clone = res.clone();
caches.open(CACHE).then(c => c.put(e.request, clone));
}
return res;
}).catch(() => cached)
)
);
});