#3411291 Fix ESLint findings

Closes #3411291

js/fragment-form.js

@@ -3,9 +3,7 @@
  * Behaviors for setting summaries on fragment form.
  */
 
-(function ($, Drupal) {
-  'use strict';
-
+(($, Drupal) => {
   /**
    * @type {Drupal~behavior}
    *
@@ -13,28 +11,32 @@
    *   Attaches summary behaviors on content type edit forms.
    */
   Drupal.behaviors.fragmentForm = {
-    attach: function (context) {
-      var $context = $(context);
+    attach(context) {
+      const $context = $(context);
 
-      $context.find('.fragment-form-publishing-status').drupalSetSummary(function (context) {
-        var $statusContext = $(context);
-        var statusCheckbox = $statusContext.find('#edit-status-value');
+      $context
+        .find('.fragment-form-publishing-status')
+        .drupalSetSummary((context) => {
+          const $statusContext = $(context);
+          const statusCheckbox = $statusContext.find('#edit-status-value');
 
-        if (statusCheckbox.is(':checked')) {
-          return Drupal.t('Published');
-        }
+          if (statusCheckbox.is(':checked')) {
+            return Drupal.t('Published');
+          }
 
-        return Drupal.t('Not published');
-      });
+          return Drupal.t('Not published');
+        });
 
-      $context.find('.fragment-form-authoring-information').drupalSetSummary(function (context) {
-        var $authorContext = $(context);
-        var authorField = $authorContext.find('input');
+      $context
+        .find('.fragment-form-authoring-information')
+        .drupalSetSummary((context) => {
+          const $authorContext = $(context);
+          const authorField = $authorContext.find('input');
 
-        if (authorField.val().length) {
-          return authorField.val();
-        }
-      });
-    }
+          if (authorField.val().length) {
+            return authorField.val();
+          }
+        });
+    },
   };
 })(jQuery, Drupal);