64 lines
1.8 KiB
JavaScript
64 lines
1.8 KiB
JavaScript
/* vps-manager Service Worker
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* 缓存策略：
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* - 预缓存核心静态资源，安装即可离线打开
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* - 静态资源与页面：stale-while-revalidate（先返回缓存秒开，后台自动拉取最新版本）
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* - /api/* 数据请求：始终走网络，保证数据实时
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* 更新机制：业务代码更新后，后台自动同步到缓存，下次访问生效；
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* 若需强制刷新缓存，递增 CACHE_NAME 即可清理旧缓存。
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*/
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const CACHE_NAME = 'vps-manager-v1';
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const PRECACHE_URLS = [
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'/',
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'/static/js/vue.global.prod.js',
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'/static/js/tailwind.js',
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'/static/js/api.js',
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'/static/js/app.js',
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'/static/manifest.json',
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'/static/icons/icon-192.png',
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'/static/icons/icon-512.png',
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];
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self.addEventListener('install', (event) => {
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event.waitUntil(
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caches
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.open(CACHE_NAME)
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.then((cache) => cache.addAll(PRECACHE_URLS))
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.then(() => self.skipWaiting())
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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
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.keys()
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.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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.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.request;
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if (request.method !== 'GET') return;
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const url = new URL(request.url);
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if (url.origin !== self.location.origin) return;
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// 数据接口走网络，不缓存
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if (url.pathname.startsWith('/api/')) return;
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event.respondWith(
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caches.open(CACHE_NAME).then(async (cache) => {
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const cached = await cache.match(request);
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const network = fetch(request)
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.then((response) => {
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if (response && response.ok) cache.put(request, response.clone());
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return response;
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})
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.catch(() => cached);
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return cached || network;
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})
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);
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});
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