eslint fixes

src/service-worker.js

@@ -2,11 +2,12 @@ self.addEventListener('fetch', function(event) {
 	// console.log("fetch event", event.request.url);
 	if (event.request.url.indexOf('/user/') !== -1) {
 		event.respondWith(
-			caches.match(event.request).then(function(response) {
+			caches.match(event.request).then(response => {
 				// console.log("responding with ", response);
 				if (response !== undefined) {
 					return response;
 				}
+				return '';
 			})
 		);
 	}
@@ -21,20 +22,23 @@ function getContentType(url) {
 	if (url.match(/\.js$/)) {
 		return 'application/javascript; charset=UTF-8';
 	}
+	return 'text/html; charset=UTF-8';
 }
 self.addEventListener('message', function(e) {
 	// console.log("message aya sw main", e.data);
-	caches.open('v1').then(function(cache) {
-		for (url in e.data) {
-			// console.log('Received data', url, e.data[url])
-			cache.put(
-				url,
-				new Response(e.data[url], {
-					headers: {
-						'Content-Type': getContentType(url)
-					}
-				})
-			);
+	caches.open('webmaker-files').then(function(cache) {
+		for (const url in e.data) {
+			if (Object.prototype.hasOwnProperty.call(e.data, url)) {
+				// console.log('Received data', url, e.data[url])
+				cache.put(
+					url,
+					new Response(e.data[url], {
+						headers: {
+							'Content-Type': getContentType(url)
+						}
+					})
+				);
+			}
 		}
 	});
 });