82 lines
2.2 KiB
JavaScript
82 lines
2.2 KiB
JavaScript
// Backup Service Worker for MYP Platform
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const CACHE_NAME = 'myp-platform-backup-v1';
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// Assets to cache
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const ASSETS_TO_CACHE = [
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'/',
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'/dashboard',
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'/static/css/tailwind.min.css',
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'/static/css/tailwind-dark.min.css',
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'/static/js/ui-components.js',
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'/static/js/offline-app.js',
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'/static/favicon.ico'
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];
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// Install event - cache core assets
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self.addEventListener('install', (event) => {
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console.log('Backup SW: Installing...');
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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('Backup SW: Caching assets');
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return cache.addAll(ASSETS_TO_CACHE);
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})
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.then(() => {
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console.log('Backup SW: Assets cached');
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return self.skipWaiting();
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})
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);
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});
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// Activate event - clean up old caches
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self.addEventListener('activate', (event) => {
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console.log('Backup SW: Activating...');
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event.waitUntil(
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caches.keys()
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.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('Backup SW: Deleting old cache', 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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})
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.then(() => {
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console.log('Backup SW: Activated');
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return self.clients.claim();
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})
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);
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});
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// Fetch event - cache first, network fallback
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self.addEventListener('fetch', (event) => {
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event.respondWith(
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caches.match(event.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(event.request)
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.then((fetchResponse) => {
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// Don't cache non-success responses
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if (!fetchResponse || fetchResponse.status !== 200 || fetchResponse.type !== 'basic') {
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return fetchResponse;
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}
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// Cache successful responses
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const responseToCache = fetchResponse.clone();
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caches.open(CACHE_NAME)
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.then((cache) => {
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cache.put(event.request, responseToCache);
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});
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return fetchResponse;
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});
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})
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);
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});
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