Add dynamic timer for delayed jobs in pipelines list

app/assets/javascripts/pipelines/components/pipelines_actions.vue

 <script>
 import { s__, sprintf } from '~/locale';
-import { formatTime } from '~/lib/utils/datetime_utility';
 import eventHub from '../event_hub';
 import icon from '../../vue_shared/components/icon.vue';
 import tooltip from '../../vue_shared/directives/tooltip';
+import GlCountdown from '~/vue_shared/components/gl_countdown.vue';
 
 export default {
   directives: {
@@ -11,6 +11,7 @@ export default {
   },
   components: {
     icon,
+    GlCountdown,
   },
   props: {
     actions: {
@@ -51,11 +52,6 @@ export default {
 
       return !action.playable;
     },
-
-    remainingTime(action) {
-      const remainingMilliseconds = new Date(action.scheduled_at).getTime() - Date.now();
-      return formatTime(Math.max(0, remainingMilliseconds));
-    },
   },
 };
 </script>
@@ -100,7 +96,7 @@ export default {
             class="pull-right"
           >
             <icon name="clock" />
-            {{ remainingTime(action) }}
+            <gl-countdown :end-date-string="action.scheduled_at" />
           </span>
         </button>
       </li>

changelogs/unreleased/winh-pipeline-actions-dynamic-timer.yml

+---
+title: Add dynamic timer for delayed jobs in pipelines list
+merge_request: 22621
+author:
+type: changed

spec/javascripts/pipelines/pipelines_actions_spec.js

@@ -62,9 +62,13 @@ describe('Pipelines Actions dropdown', () => {
       );
     };
 
-    beforeEach(() => {
+    beforeEach(done => {
       spyOn(Date, 'now').and.callFake(() => new Date('2063-04-04T00:42:00Z').getTime());
       vm = mountComponent(Component, { actions: [scheduledJobAction, expiredJobAction] });
+
+      Vue.nextTick()
+        .then(done)
+        .catch(done.fail);
     });
 
     it('emits postAction event after confirming', () => {