<li *ngFor="let item of items; let idx = index" class="menu-item"
  ngClass="menu-item-depth-{{item.depth}} {{item.active ? 'active' : ''}} menu-item-for-{{item.metadata?.type}}">
  <label class="menu-item-header" [ngClass]="{disabled: !item.ready}" (click)="activateItem(item)">
    <span class="operation-type" [ngClass]="item?.metadata?.operation" *ngIf="item?.metadata?.operation"> {{item?.metadata?.operation}} </span><!--
 --><span class="menu-item-title">{{item.name}}</span>
  </label>
  <ul *ngIf="item.items" class="menu-subitems" [@itemAnimation]="(item.active || item.isGroup) ? 'expanded' : 'collapsed'">
    <side-menu-items [items]="item.items" (activate)="activateItem($event)"> </side-menu-items>
  </ul>
</li>