update service worker to hack things

static/js/sw.js

@@ -9,15 +9,15 @@ var preLoad = function(){
   console.log('[PWA Builder] Install Event processing');
   return caches.open('pwabuilder-offline').then(function(cache) {
     console.log('[PWA Builder] Cached index and offline page during Install');
-    return cache.addAll(['/offline.html', '/index.html']);
+    return cache.addAll(['/blog/', '/blog', '/', '/contact', '/resume']);
   });
-}
+};
 
 self.addEventListener('fetch', function(event) {
   console.log('[PWA Builder] The service worker is serving the asset.');
   event.respondWith(checkResponse(event.request).catch(function() {
-    return returnFromCache(event.request)}
-  ));
+    return returnFromCache(event.request);
+  }));
   event.waitUntil(addToCache(event.request));
 });
 
@@ -25,18 +25,18 @@ var checkResponse = function(request){
   return new Promise(function(fulfill, reject) {
     fetch(request).then(function(response){
       if(response.status !== 404) {
-        fulfill(response)
+        fulfill(response);
       } else {
-        reject()
+        reject();
       }
-    }, reject)
+    }, reject);
   });
 };
 
 var addToCache = function(request){
   return caches.open('pwabuilder-offline').then(function (cache) {
     return fetch(request).then(function (response) {
-      console.log('[PWA Builder] add page to offline'+response.url)
+      console.log('[PWA Builder] add page to offline'+response.url);
       return cache.put(request, response);
     });
   });
@@ -46,9 +46,9 @@ var returnFromCache = function(request){
   return caches.open('pwabuilder-offline').then(function (cache) {
     return cache.match(request).then(function (matching) {
      if(!matching || matching.status == 404) {
-       return cache.match('offline.html')
+       return cache.match('offline.html');
      } else {
-       return matching
+       return matching;
      }
     });
   });