63 lines
1.7 KiB
JavaScript
63 lines
1.7 KiB
JavaScript
// Service Worker for FlockRadar Offline Driving & Live Updates
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const CACHE_NAME = 'flockradar-v22';
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const ASSETS_TO_CACHE = [
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'./',
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'./index.html',
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'./css/styles.css?v=22',
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'./js/icons.js?v=22',
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'./js/app.js?v=22',
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'./js/auth.js?v=22',
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'./js/radar.js?v=22',
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'./data/portals.js?v=22',
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'./favicon.svg?v=22',
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'./favicon.ico?v=22',
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'./apple-touch-icon.png?v=22',
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'./icon-192.png?v=22',
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'./icon-512.png?v=22',
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'./og-image.png?v=22',
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'./assets/img/logo.svg',
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'./assets/img/flock_pole_cam_palmdale.jpg',
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'./manifest.json'
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];
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self.addEventListener('install', event => {
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self.skipWaiting();
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event.waitUntil(
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caches.open(CACHE_NAME).then(cache => cache.addAll(ASSETS_TO_CACHE))
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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.keys().then(keys => Promise.all(
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keys.filter(key => key !== CACHE_NAME).map(key => caches.delete(key))
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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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// Always network-first for HTML, JS and CSS to ensure instant updates
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const url = new URL(event.request.url);
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if (url.origin === self.location.origin) {
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event.respondWith(
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fetch(event.request, { cache: 'no-cache' })
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.then(response => {
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if (response && response.status === 200) {
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const clone = response.clone();
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caches.open(CACHE_NAME).then(cache => cache.put(event.request, clone));
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}
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return response;
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})
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.catch(() => caches.match(event.request))
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);
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return;
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}
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// Fallback for CDN resources (Leaflet tiles etc)
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event.respondWith(
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caches.match(event.request).then(cached => {
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return cached || fetch(event.request);
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})
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);
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});
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