1 files changed, 4 insertions, 4 deletions
diff --git a/app/assets/javascripts/new_branch_form.js b/app/assets/javascripts/new_branch_form.js
index 98522c67696..9f9db21d65b 100644
--- a/app/assets/javascripts/new_branch_form.js
+++ b/app/assets/javascripts/new_branch_form.js
@@ -1,4 +1,4 @@
-/* eslint-disable func-names, no-var, one-var, consistent-return, no-return-assign, prefer-arrow-callback, prefer-template, no-shadow, no-else-return, @gitlab/i18n/no-non-i18n-strings */
+/* eslint-disable func-names, no-var, one-var, consistent-return, no-return-assign, no-shadow, no-else-return, @gitlab/i18n/no-non-i18n-strings */
 
 import $ from 'jquery';
 import RefSelectDropdown from './ref_select_dropdown';
@@ -63,17 +63,17 @@ export default class NewBranchForm {
     };
     formatter = function(values, restriction) {
       var formatted;
-      formatted = values.map(function(value) {
+      formatted = values.map(value => {
         switch (false) {
           case !/\s/.test(value):
             return 'spaces';
           case !/\/{2,}/g.test(value):
             return 'consecutive slashes';
           default:
-            return "'" + value + "'";
+            return `'${value}'`;
         }
       });
-      return restriction.prefix + ' ' + formatted.join(restriction.conjunction);
+      return `${restriction.prefix} ${formatted.join(restriction.conjunction)}`;
     };
     validator = (function(_this) {
       return function(errors, restriction) {