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sw.js
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sw.js
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const CACHE_KEY = 'tabatApp';
const cacheFirstAssets = [
'https://cdn.jsdelivr.net/npm/vue@3/dist/vue.global.prod.js',
'https://cdn.jsdelivr.net/npm/quasar@2.12.5/dist/quasar.umd.prod.js',
'https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700,900|Material+Icons',
'https://cdn.jsdelivr.net/npm/quasar@2.12.5/dist/quasar.prod.css',
'/assets/js/wakelock.js',
'/assets/css/styles.css',
'/assets/css/fonts/digital-7-mono.ttf',
'/assets/audios/bell.mp3',
'/assets/audios/buzzer.mp3',
];
const networkFirstAssets = ['/index.html', '/assets/js/app.js'];
async function deleteOldCaches() {
const cacheNames = await caches.keys();
await Promise.all(
cacheNames.map((name) => {
if (name !== CACHE_KEY) return caches.delete(name);
})
);
}
self.addEventListener('install', (event) => {
event.waitUntil(
caches.open(CACHE_KEY).then((cache) => cache.addAll(cacheFirstAssets))
);
// self.skipWaiting();
});
self.addEventListener('activate', (event) => {
event.waitUntil(deleteOldCaches());
});
self.addEventListener('fetch', function (event) {
// Bug fix
// https://stackoverflow.com/a/49719964
if (
event.request.cache === 'only-if-cached' &&
event.request.mode !== 'same-origin'
)
return;
event.respondWith(
(async () => {
const cachedResponse = await caches.match(event.request);
if (
(cachedResponse && !navigator.onLine) ||
(cachedResponse &&
!networkFirstAssets.some((url) => event.request.url.includes(url)))
)
return cachedResponse;
let response;
try {
response = await fetch(event.request);
const clone = response.clone();
event.waitUntil(
caches
.open(CACHE_KEY)
.then((cache) => cache.put(event.request, clone))
);
return response;
} catch (error) {
if (cachedResponse) return cachedResponse;
throw error;
}
})()
);
});