34 lines
684 B
JavaScript
34 lines
684 B
JavaScript
const CACHE_NAME = 'chengyu-v1';
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const ASSETS = [
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'/',
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'/index.html',
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'/style.css',
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'/app.js',
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'/data.js',
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'/manifest.json',
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'/icons/icon-192.png',
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'/icons/icon-512.png'
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];
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self.addEventListener('install', e => {
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e.waitUntil(
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caches.open(CACHE_NAME).then(cache => cache.addAll(ASSETS))
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);
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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_NAME).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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e.respondWith(
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caches.match(e.request).then(cached => cached || fetch(e.request))
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);
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});
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