snapdrop/client/service-worker.js
2020-05-19 22:52:27 +02:00

54 lines
1.2 KiB
JavaScript

var CACHE_NAME = 'snapdrop-cache-v1.044';
var urlsToCache = [
'/',
'/styles.css',
'/scripts/network.js',
'/scripts/ui.js',
'/sounds/blop.mp3',
'/images/favicon-96x96.png'
];
self.addEventListener('install', function(event) {
// Perform install steps
event.waitUntil(
caches.open(CACHE_NAME)
.then(function(cache) {
console.log('Opened cache');
return cache.addAll(urlsToCache);
})
);
});
self.addEventListener('fetch', function(event) {
event.respondWith(
caches.match(event.request)
.then(function(response) {
// Cache hit - return response
if (response) {
return response;
}
return fetch(event.request);
}
)
);
});
self.addEventListener('activate', function(event) {
console.log('Updating Service Worker...')
event.waitUntil(
caches.keys().then(function(cacheNames) {
return Promise.all(
cacheNames.filter(function(cacheName) {
// Return true if you want to remove this cache,
// but remember that caches are shared across
// the whole origin
return true
}).map(function(cacheName) {
return caches.delete(cacheName);
})
);
})
);
});