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

app/assets/javascripts/directives/views/inputModal.js

@@ -0,0 +1,37 @@
+import template from '%/directives/input-modal.pug';
+
+class InputModalCtrl {
+
+  /* @ngInject */
+  constructor($scope, $element) {
+    this.$element = $element;
+    this.formData = {};
+  }
+
+  dismiss() {
+    this.$element.remove();
+    this.$scope.$destroy();
+  }
+
+  submit() {
+    this.callback()(this.formData.input);
+    this.dismiss();
+  }
+}
+
+export class InputModal {
+  constructor() {
+    this.restrict = 'E';
+    this.template = template;
+    this.controller = InputModalCtrl;
+    this.controllerAs = 'ctrl';
+    this.bindToController = true;
+    this.scope = {
+      type: '=',
+      title: '=',
+      message: '=',
+      placeholder: '=',
+      callback: '&'
+    };
+  }
+}