62 lines
1.4 KiB
JavaScript
62 lines
1.4 KiB
JavaScript
// Service Worker for PWA
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const CACHE_NAME = 'sportbuddy-v1';
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const urlsToCache = [
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'/',
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'/manifest.json',
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'/icon-192x192.png',
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'/icon-512x512.png',
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];
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// Install service worker
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self.addEventListener('install', (event) => {
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event.waitUntil(
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caches.open(CACHE_NAME).then((cache) => {
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return cache.addAll(urlsToCache);
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})
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);
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});
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// Fetch from cache
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self.addEventListener('fetch', (event) => {
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event.respondWith(
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caches.match(event.request).then((response) => {
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// Cache hit - return 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).then((response) => {
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// Check if valid response
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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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// Clone the response
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const responseToCache = response.clone();
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caches.open(CACHE_NAME).then((cache) => {
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cache.put(event.request, responseToCache);
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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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// Activate and clean old caches
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self.addEventListener('activate', (event) => {
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const cacheWhitelist = [CACHE_NAME];
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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 (cacheWhitelist.indexOf(cacheName) === -1) {
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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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);
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});
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