close.js in bootstrap-bookingsync-sass-2.0.0

- old
+ new

@@ -1,12 +1,13 @@
-import Ember from 'ember';
+import Component from '@ember/component';
 import layout from '../../templates/components/bsy-button/close';
 
-export default Ember.Component.extend({
+export default Component.extend({
   layout,
-  tagName: "button",
-  classNames: "btn btn-secondary-inverse btn-round",
 
-  click: function() {
-    this.$().prop('disabled', 'disabled');
+  tagName: 'button',
+  classNames: 'btn btn-secondary-inverse btn-round',
+
+  click() {
+    this.element.disabled = true;
   }
 });