142 lines
3.5 KiB
JavaScript
142 lines
3.5 KiB
JavaScript
const CACHE_NAME = 'emailbill-v1';
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const urlsToCache = [
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'/',
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'/index.html',
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'/favicon.ico',
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'/manifest.json'
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];
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// 安装 Service Worker
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self.addEventListener('install', (event) => {
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console.log('[Service Worker] 安装中...');
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event.waitUntil(
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caches.open(CACHE_NAME)
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.then((cache) => {
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console.log('[Service Worker] 缓存文件');
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return cache.addAll(urlsToCache);
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})
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.then(() => self.skipWaiting())
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);
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});
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// 激活 Service Worker
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self.addEventListener('activate', (event) => {
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console.log('[Service Worker] 激活中...');
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event.waitUntil(
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caches.keys().then((cacheNames) => {
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return Promise.all(
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cacheNames.map((cacheName) => {
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if (cacheName !== CACHE_NAME) {
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console.log('[Service Worker] 删除旧缓存:', cacheName);
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return caches.delete(cacheName);
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}
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})
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);
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}).then(() => self.clients.claim())
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);
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});
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// 拦截请求
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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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// 跳过跨域请求
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if (url.origin !== location.origin) {
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return;
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}
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// API请求使用网络优先策略
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if (url.pathname.startsWith('/api/')) {
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event.respondWith(
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fetch(request)
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.then((response) => {
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// 克隆响应以便缓存
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const responseClone = response.clone();
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caches.open(CACHE_NAME).then((cache) => {
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cache.put(request, responseClone);
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});
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return response;
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})
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.catch(() => {
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// 网络失败时尝试从缓存获取
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return caches.match(request);
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})
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);
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return;
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}
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// 静态资源使用缓存优先策略
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event.respondWith(
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caches.match(request)
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.then((response) => {
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if (response) {
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return response;
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}
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return fetch(request).then((response) => {
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// 检查是否是有效响应
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if (!response || response.status !== 200 || response.type !== 'basic') {
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return response;
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}
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const responseClone = response.clone();
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caches.open(CACHE_NAME).then((cache) => {
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cache.put(request, responseClone);
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});
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return response;
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});
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})
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.catch(() => {
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// 返回离线页面或默认内容
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if (request.destination === 'document') {
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return caches.match('/index.html');
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}
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})
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);
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});
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// 后台同步
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self.addEventListener('sync', (event) => {
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console.log('[Service Worker] 后台同步:', event.tag);
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if (event.tag === 'sync-data') {
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event.waitUntil(syncData());
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}
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});
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// 推送通知
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self.addEventListener('push', (event) => {
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console.log('[Service Worker] 收到推送消息');
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const options = {
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body: event.data ? event.data.text() : '您有新的账单消息',
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icon: '/icons/icon-192x192.png',
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badge: '/icons/icon-72x72.png',
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vibrate: [200, 100, 200],
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tag: 'emailbill-notification',
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requireInteraction: false
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};
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event.waitUntil(
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self.registration.showNotification('账单管理', options)
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);
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});
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// 通知点击
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self.addEventListener('notificationclick', (event) => {
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console.log('[Service Worker] 通知被点击');
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event.notification.close();
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event.waitUntil(
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clients.openWindow('/')
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);
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});
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// 数据同步函数
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async function syncData() {
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try {
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// 这里添加需要同步的逻辑
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console.log('[Service Worker] 执行数据同步');
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} catch (error) {
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console.error('[Service Worker] 同步失败:', error);
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}
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}
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