[skip ci] add comments

app/assets/javascripts/sidebar_assignees/components/expanded/single_assignee.js

@@ -8,7 +8,7 @@ export default {
     user: {
       type: Object,
       required: true,
-    }
+    },
   },
   computed: {
     userUrl() {

app/assets/javascripts/sidebar_assignees/sidebar_assignees_options.js

 /* global Flash */
 
-import Vue from 'vue';
 import eventHub from './event_hub';
 
 import AssigneeTitle from './components/assignee_title';

app/assets/javascripts/sidebar_assignees/stores/sidebar_assignees_store.js

@@ -4,11 +4,18 @@ export default class SidebarAssigneesStore {
 
     this.currentUserId = currentUserId;
     this.rootPath = rootPath;
+
+    // Tracks the selected users
     this.userIds = [];
+
+    // Tracks the rendered users
+    this.users = [];
+
     this.loading = false;
     this.editable = editable;
 
     this.setUsers(assignees);
+
     assignees.forEach(a => this.addUserId(a.id));
   }