const CACHE_NAME = 'v1';
const urlsToCache = ['/', '/index.html', '/stl.zip'];

self.addEventListener('install', (event) => {
	event.waitUntil(
		caches.open(CACHE_NAME).then((cache) => {
			return cache.addAll(urlsToCache);
		})
	);
});

// self.addEventListener('fetch', (event) => {
// 	event.respondWith(
// 		caches.match(event.request).then((response) => {
// 			if (response) {
// 				return response;
// 			}
// 			return fetch(event.request).then((response) => {
// 				if (!response || response.status !== 200 || response.type !== 'basic') {
// 					return response;
// 				}
// 				var responseToCache = response.clone();
// 				caches.open(CACHE_NAME).then((cache) => {
// 					cache.put(event.request, responseToCache);
// 				});
// 				return response;
// 			});
// 		})
// 	);
// });

self.addEventListener('activate', (event) => {
	var cacheWhitelist = ['v1'];
	event.waitUntil(
		caches.keys().then((cacheNames) => {
			return Promise.all(
				cacheNames.map((cacheName) => {
					if (cacheWhitelist.indexOf(cacheName) === -1) {
						return caches.delete(cacheName);
					}
				})
			);
		})
	);
});