54 lines
1.4 KiB
JavaScript
54 lines
1.4 KiB
JavaScript
/* PWA Service Worker - 萌芽主页 */
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const CACHE_NAME = 'mengyaprofile-v1';
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const urlsToCache = [
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'/',
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'/index.html',
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'/manifest.json',
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'/favicon.ico',
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'/logo192.png'
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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)
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.then((cache) => cache.addAll(urlsToCache))
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.then(() => self.skipWaiting())
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.catch((err) => console.log('SW install cache addAll failed', err))
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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((cacheNames) =>
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Promise.all(
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cacheNames
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.filter((name) => name !== CACHE_NAME)
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.map((name) => caches.delete(name))
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)
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).then(() => self.clients.claim())
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);
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});
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self.addEventListener('fetch', (event) => {
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const { request } = event;
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const url = new URL(request.url);
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if (url.origin !== location.origin) return;
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if (request.mode === 'navigate') {
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event.respondWith(
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fetch(request).catch(() => caches.match('/index.html'))
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);
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return;
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}
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event.respondWith(
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caches.match(request).then((cached) =>
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cached || fetch(request).then((response) => {
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if (response.ok && response.type === 'basic') {
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const clone = response.clone();
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caches.open(CACHE_NAME).then((cache) => cache.put(request, clone));
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}
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return response;
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})
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)
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);
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});
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