updated core to 8.6.1 via composer

core/modules/language/language.admin.es6.js

@@ -3,7 +3,7 @@
  * Language admin behavior.
  */
 
-(function ($, Drupal) {
+(function($, Drupal) {
   /**
    * Makes language negotiation inherit user interface negotiation.
    *
@@ -21,19 +21,24 @@
         const $checkbox = $(checkbox);
         // Get the language detection type such as Interface text language
         // detection or Content language detection.
-        $checkbox.closest('.table-language-group')
+        $checkbox
+          .closest('.table-language-group')
           .find('table, .tabledrag-toggle-weight')
           .toggle($checkbox.prop('checked'));
       }
 
       // Bind hide/show and rearrange customization checkboxes.
-      $configForm.once('negotiation-language-admin-bind').on('change', inputSelector, (event) => {
-        toggleTable(event.target);
-      });
+      $configForm
+        .once('negotiation-language-admin-bind')
+        .on('change', inputSelector, event => {
+          toggleTable(event.target);
+        });
       // Initially, hide language detection types that are not customized.
-      $configForm.find(`${inputSelector}:not(:checked)`).each((index, element) => {
-        toggleTable(element);
-      });
+      $configForm
+        .find(`${inputSelector}:not(:checked)`)
+        .each((index, element) => {
+          toggleTable(element);
+        });
     },
   };
-}(jQuery, Drupal));
+})(jQuery, Drupal);