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

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

@@ -0,0 +1,14 @@
+/* @ngInject */
+export function selectOnClick($window) {
+  return {
+    restrict: 'A',
+    link: function(scope, element, attrs) {
+      element.on('focus', function() {
+        if (!$window.getSelection().toString()) {
+          /** Required for mobile Safari */
+          this.setSelectionRange(0, this.value.length);
+        }
+      });
+    }
+  };
+}