<a
  class="interact"
  [title]="context.item.name"
  *ngIf="context?.property?.callback; else router"
  (click)="context.property.callback(context.item)"
>
  {{ context.item.name }}
</a>
<ng-template #router>
  <a class="interact" [title]="context.item.name" [routerLink]="[context.item.id]">
    {{ context.item.name }}
  </a>
</ng-template>