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