Refs #1: Simple initial take at progress bar.

.jshintrc

@@ -2,7 +2,8 @@
   "predef": [
     "document",
     "window",
-    "-Promise"
+    "-Promise",
+    "/* global nprogress */"
   ],
   "browser": true,
   "boss": true,

Brocfile.js

@@ -5,5 +5,7 @@ var EmberApp = require('ember-cli/lib/broccoli/ember-app');
 var app = new EmberApp();
 
 app.import('bower_components/flakes/css/all.css');
+app.import('bower_components/nprogress/nprogress.css');
+app.import('bower_components/nprogress/nprogress.js');
 
 module.exports = app.toTree();

app/routes/application.js

@@ -1,4 +1,17 @@
 import Ember from 'ember';
 import ApplicationRouteMixin from 'simple-auth/mixins/application-route-mixin';
+/* global NProgress */
 
-export default Ember.Route.extend(ApplicationRouteMixin);
+export default Ember.Route.extend(ApplicationRouteMixin, {
+  actions: {
+    loading: function() {
+      NProgress.start();
+      this.router.one('didTransition', function() {
+        return setTimeout((function() {
+          return NProgress.done();
+        }), 50);
+      });
+      return true;
+    }
+  }
+});

bower.json

@@ -14,6 +14,7 @@
     "ember-qunit-notifications": "0.0.5",
     "qunit": "~1.17.1",
     "flakes": "~1.0.0",
-    "ember-simple-auth": "~0.7.2"
+    "ember-simple-auth": "~0.7.2",
+    "nprogress": "~0.1.6"
   }
 }