Update sw.js

sw.js

@@ -1,84 +1,30 @@
-/*
-    Cache Strategy: cacheAll (boolean flag)
-        
-        1) cacheAll = true      => Cache all requests in urlsToCache list and all further requests
-        2) cacheAll = false     => Cache only all requests in urlsToCache list
-*/
-var cacheAll = true;
-var CACHE_NAME = 'webapk-cache';
-var urlsToCache = [
-    //'./index.html',
-    //'./all.min.css',
-    //'./axios.min.js',
-    //'./bignumber.min.js',
-    //'./cryptico.min.js',
-    //'./crypto-js.js',
-    //'./crypto-sha256.js',
-    //'./DDEABI.js',
-    //'./ERC20.js',
-    //'./faq.js',
-    //'./jdenticon.min.js',
-    //'./lottie-player.js',
-    //'./open-sans.css',
-    //'./purify.js',
-    //'./simple-scrollbar.css',
-    //'./simple-scrollbar.min.js',
-    //'./sweetalert211.js',
-    //'./translate.js',
-    //'./web3.min.js'
-];
-
-var urlsNotToCache = [
-    // Urls that don't need to be cached can be added here explicitly
-];
+// Service Worker
 
 // Install Event
 self.addEventListener('install', function(event) {
-    console.log("[SW] install event: ",event);
-    // Perform install steps
+    console.log("[SW] Install event");
+    // No caching during install
+});
+
+// Activate Event
+self.addEventListener('activate', function(event) {
+    console.log("[SW] Activate event");
+    // No action needed, but you can clear old caches if they exist
     event.waitUntil(
-        caches.open(CACHE_NAME).then(
-            function(cache) {
-                console.log('[SW] Opened cache: ',cache);
-                return cache.addAll(urlsToCache);
-            }
-        )
+        caches.keys().then(function(cacheNames) {
+            return Promise.all(
+                cacheNames.map(function(cacheName) {
+                    return caches.delete(cacheName);
+                })
+            );
+        })
     );
 });
 
-
 // Fetch Event
 self.addEventListener('fetch', function(event) {
-    console.log("[SW] fetch event: ",event);
-    event.respondWith(
-        caches.match(event.request).then(
-            function(response) {
-                // Cache hit - return response
-                if (response) return response;
-                // What cache strategy should be used? => cacheAll (boolean flag)
-                else if (!cacheAll || urlsNotToCache.indexOf(event.request) !== -1) return fetch(event.request);
-                else {
-                    fetch(event.request).then(
-                        // Try to cache new requests directly 
-                        function(response) {
-                            // Check if we received a valid response
-                            if(!response || response.status !== 200 || response.type !== 'basic') return response;
-                            // IMPORTANT: Clone the response. A response is a stream
-                            // and because we want the browser to consume the response
-                            // as well as the cache consuming the response, we need
-                            // to clone it so we have two streams.
-                            var responseToCache = response.clone();
-                            caches.open(CACHE_NAME).then(
-                                function(cache) {
-                                    cache.put(event.request, responseToCache);
-                                }
-                            );
-                            return response;
-                        }
-                    );
-                }
-            }
-        )
-    );
+    console.log("[SW] Fetch event: ", event.request.url);
+    // Just pass through the request without caching
+    event.respondWith(fetch(event.request));
 });