Changes to reload app when service worker changes

Author: jkleinsc

.jshintrc

@@ -8,7 +8,9 @@
     "logDebug",
     "navigator",
     "self",
-    "toolbox"
+    "toolbox",
+    "window"
   ],
+  "esnext": true,
   "node": true
 }

lib/delete-old-caches.js

@@ -12,6 +12,6 @@ self.addEventListener('activate', function(event) {
           return caches.delete(cacheName);
         })
       );
-    })
+    }).then(() => self.clients.claim())
   );
 });

lib/registration.js

@@ -3,6 +3,9 @@ if ('serviceWorker' in navigator) {
     .catch(function(error) {
       console.error('Error registering service worker:'+error);
     });
+    navigator.serviceWorker.addEventListener('controllerchange', function() {
+      window.location.reload();
+    });
 } else {
   console.log('service worker not supported');
 }