I18N JS files starting with m

This is one of many MRs opened in order to improve the overall
internationalisation of the GitLab codebase.

This commit only targets Vanilla JS files.

i18n documentation
https://docs.gitlab.com/ee/development/i18n/externalization.html

1 files changed, 2 insertions, 1 deletions

diff --git a/app/assets/javascripts/milestone.js b/app/assets/javascripts/milestone.js
index f211632cf24..6aaba4e7c74 100644
--- a/app/assets/javascripts/milestone.js
+++ b/app/assets/javascripts/milestone.js
@@ -2,6 +2,7 @@ import $ from 'jquery';
 import axios from './lib/utils/axios_utils';
 import flash from './flash';
 import { mouseenter, debouncedMouseleave, togglePopover } from './shared/popover';
+import { __ } from './locale';
 
 export default class Milestone {
   constructor() {
@@ -42,7 +43,7 @@ export default class Milestone {
           $(tabElId).html(data.html);
           $target.addClass('is-loaded');
         })
-        .catch(() => flash('Error loading milestone tab'));
+        .catch(() => flash(__('Error loading milestone tab')));
     }
   }