yangxiangyuan
49 lines
1.1 KiB
JavaScript
49 lines
1.1 KiB
JavaScript
const CACHE = 'music-box-v3';
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self.addEventListener('install', e => {
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self.skipWaiting();
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e.waitUntil(
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caches.open(CACHE).then(c => c.addAll([
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'./',
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'./index.html',
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'./zen_box.js',
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'./zen_box.css',
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'./playlist.json'
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]))
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);
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});
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self.addEventListener('activate', e => {
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e.waitUntil(clients.claim());
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});
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self.addEventListener('fetch', e => {
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// 音频文件直接使用 Network Only
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if (e.request.url.includes('.mp3') || e.request.url.includes('oss')) {
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e.respondWith(fetch(e.request));
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return;
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}
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// playlist.json 使用 Network First
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if (e.request.url.includes('playlist.json')) {
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e.respondWith(
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fetch(e.request)
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.then(networkResponse => {
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return caches.open(CACHE).then(cache => {
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cache.put(e.request, networkResponse.clone());
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return networkResponse;
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});
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})
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.catch(() => {
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return caches.match(e.request);
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})
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);
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return;
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}
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// 其他文件（App Shell）使用 Cache First
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e.respondWith(
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caches.match(e.request).then(r => r || fetch(e.request))
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);
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});
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