pigallery2/frontend/app/gallery/navigator/navigator.gallery.component.html

<nav aria-label="breadcrumb">
  <ol id="directory-path" class="breadcrumb">
    <li *ngFor="let path of routes" class="breadcrumb-item">
      <a *ngIf="path.route" [routerLink]="['/gallery',path.route]"
         [queryParams]="_shareService.isSharing() ? { sk: _shareService.getSharingKey() }:{}">{{path.name}}</a>
      <ng-container *ngIf="!path.route">{{path.name}}</ng-container>
    </li>
  </ol>
</nav>