Refactors most controllers and directives into classes for more organized and maintainable code

app/assets/javascripts/directives/functional/elemReady.js

@@ -0,0 +1,14 @@
+/* @ngInject */
+export function elemReady($parse) {
+  return {
+    restrict: 'A',
+    link: function($scope, elem, attrs) {
+      elem.ready(function() {
+        $scope.$apply(function() {
+          var func = $parse(attrs.elemReady);
+          func($scope);
+        });
+      });
+    }
+  };
+}