23 lines
848 B
JavaScript
23 lines
848 B
JavaScript
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const CACHE = 'posimai-store-v1';
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const STATIC = ['/', '/index.html', '/manifest.json', '/logo.png'];
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self.addEventListener('install', e => {
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e.waitUntil(caches.open(CACHE).then(c => c.addAll(STATIC)).then(() => self.skipWaiting()));
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});
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self.addEventListener('activate', e => {
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e.waitUntil(caches.keys().then(keys => Promise.all(keys.filter(k => k !== CACHE).map(k => caches.delete(k)))).then(() => self.clients.claim()));
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});
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self.addEventListener('fetch', e => {
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if (e.request.method !== 'GET') return;
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if (new URL(e.request.url).origin !== location.origin) return;
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e.respondWith(
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caches.match(e.request).then(cached => cached || fetch(e.request).then(res => {
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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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return res;
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}))
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);
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});
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