<nav class="breadcrumb" aria-label="Fil d'Ariane" *ngIf="items.length">
  <ol>
    <li *ngFor="let item of items; let last = last; trackBy: trackByIndex"
        class="breadcrumb-item"
        [class.current]="last">
      <a *ngIf="item.route && !last"
         [routerLink]="item.route"
         class="breadcrumb-link">{{ item.label }}</a>
      <span *ngIf="!item.route || last" class="breadcrumb-text">{{ item.label }}</span>
    </li>
  </ol>
</nav>
