MineXLauncher 1.3

public/service-worker.js

@@ -0,0 +1,46 @@
+const CACHE_NAME = 'minexlauncher-v1.3';
+const urlsToCache = ['/offline.html', '/resources/images/icons/favicon.png', '/resources/styles/default.css'];
+
+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;
+				}
+				const responseToCache = response.clone();
+				caches.open(CACHE_NAME).then((cache) => {
+					cache.put(event.request, responseToCache);
+				});
+				return response;
+			});
+		})
+	);
+});
+
+self.addEventListener('activate', (event) => {
+	event.waitUntil(
+		caches.keys().then((cacheNames) => {
+			return Promise.all(
+				cacheNames
+					.filter((cacheName) => {
+						return cacheName !== CACHE_NAME;
+					})
+					.map((cacheName) => {
+						return caches.delete(cacheName);
+					})
+			);
+		})
+	);
+});