Shush eslint.

app/assets/javascripts/merge_request_widget/ci_bundle.js.es6

-$(() => {
+/* global merge_request_widget */
+
+(() => {
+  $(() => {
     /* TODO: This needs a better home, or should be refactored. It was previously contained
      * in a script tag in app/views/projects/merge_requests/widget/open/_accept.html.haml,
      * but Vue chokes on script tags and prevents their execution. So it was moved here
@@ -22,18 +25,18 @@ $(() => {
         e.preventDefault();
         $(this).closest('form').submit();
       });
-
     } else if ($('.rebase-in-progress').length) {
       merge_request_widget.rebaseInProgress();
     } else if ($('.rebase-mr-form').length) {
-    $('.rebase-mr-form').on('ajax:send', function() {
+      $('.rebase-mr-form').on('ajax:send', () => {
         $('.rebase-mr-form :input').disable();
       });
 
-    $('.js-rebase-button').on('click', function() {
+      $('.js-rebase-button').on('click', () => {
         $('.js-rebase-button').html("<i class='fa fa-spinner fa-spin'></i> Rebase in progress");
       });
     } else {
       merge_request_widget.getMergeStatus();
     }
-});
+  });
+})();