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sw.js
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sw.js
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//self.importScripts('data/games.js');
// Files to cache
const currentVersion = 'v1.0.5.9';
const cacheName = 'igc2kmz-' + currentVersion;
const appShellFiles = [
'/igc2kmz/',
'/igc2kmz/igc2kmz.html',
'/igc2kmz/dist/igc2kmz.min.js',
'/igc2kmz/assets/googleearth-32.png',
'/igc2kmz/assets/googleearth-64.png',
'/igc2kmz/assets/googleearth-128.png',
'/igc2kmz/assets/googleearth-256.png',
'/igc2kmz/assets/googleearth-512.png',
];
// const gamesImages = [];
// for (let i = 0; i < games.length; i++) {
// gamesImages.push(`data/img/${games[i].slug}.jpg`);
// }
const contentToCache = appShellFiles;//.concat(gamesImages);
// Installing Service Worker
self.addEventListener('install', (e) => {
console.log('[Service Worker] Install');
e.waitUntil((async () => {
const cache = await caches.open(cacheName);
console.log('[Service Worker] Caching all: app shell and content');
await cache.addAll(contentToCache);
})());
});
// Fetching content using Service Worker
self.addEventListener('fetch', (e) => {
// Cache http and https only, skip unsupported chrome-extension:// and file://...
if (!(
e.request.url.startsWith('http:') || e.request.url.startsWith('https:')
)) {
return;
}
e.respondWith((async () => {
const r = await caches.match(e.request);
console.log(`[Service Worker] Fetching resource: ${e.request.url}`);
if (r) return r;
const response = await fetch(e.request);
const cache = await caches.open(cacheName);
console.log(`[Service Worker] Caching new resource: ${e.request.url}`);
cache.put(e.request, response.clone());
return response;
})());
});
self.addEventListener("activate", (e) => {
e.waitUntil(
caches.keys().then((keyList) => {
return Promise.all(
keyList.map((key) => {
if (key === cacheName) {
return;
}
return caches.delete(key);
})
);
})
);
});