yangxiangyuan
39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
const CACHE_NAME = 'calendar-reminder-cache-v3';
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const ASSETS = [
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'/WebApp/index.html',
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'/WebApp/css/styles.css',
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'/WebApp/css/bootstrap.local.css',
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'/WebApp/js/config.js',
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'/WebApp/js/db.js',
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'/WebApp/js/models.js',
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'/WebApp/js/ui.js',
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'/WebApp/js/main.js',
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'/WebApp/js/singleInstance.js',
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];
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self.addEventListener('install', (event) => {
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event.waitUntil(
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caches.open(CACHE_NAME).then((cache) => cache.addAll(ASSETS)).catch(() => null)
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);
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});
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self.addEventListener('activate', (event) => {
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event.waitUntil(
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caches.keys().then((keys) => 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.addEventListener('fetch', (event) => {
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const req = event.request;
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if (req.method !== 'GET') return;
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event.respondWith(
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caches.match(req).then((cached) => {
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const fetchPromise = fetch(req).then((resp) => {
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const copy = resp.clone();
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caches.open(CACHE_NAME).then((cache) => cache.put(req, copy)).catch(() => {});
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return resp;
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}).catch(() => cached);
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return cached || fetchPromise;
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})
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);
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}); |