26 lines
970 B
JavaScript
26 lines
970 B
JavaScript
const CACHE = 'stackchain-shell-v1';
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const SHELL = ['/manifest.webmanifest', '/static/icons/stackchain-192.png', '/static/icons/stackchain-512.png'];
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self.addEventListener('install', event => {
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event.waitUntil(caches.open(CACHE).then(cache => cache.addAll(SHELL)).then(() => self.skipWaiting()));
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});
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self.addEventListener('activate', event => {
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event.waitUntil(caches.keys().then(keys => Promise.all(
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keys.filter(key => key !== CACHE).map(key => caches.delete(key))
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)).then(() => self.clients.claim()));
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});
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self.addEventListener('fetch', event => {
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const request = event.request;
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if (request.method !== 'GET' || request.url.includes('/api/')) return;
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const url = new URL(request.url);
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if (request.mode === 'navigate') {
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event.respondWith(fetch(request));
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return;
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}
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if (url.origin === self.location.origin && SHELL.includes(url.pathname)) {
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event.respondWith(caches.match(request).then(cached => cached || fetch(request)));
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}
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});
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