valor-software/ng2-bootstrap

<ul *ngIf="componentContent" (click)="goToSection($event)">
  <li *ngFor="let item of componentContent">
    <a routerLink="." [fragment]="item.anchor" [attr.data-anchor]="item.anchor">{{ item.name }}</a>
    <ul *ngIf="item.content && item.content.length">
      <li *ngFor="let subItem of item.content">
        <a routerLink="." [fragment]="subItem.anchor" [attr.data-anchor]="subItem.anchor">{{ subItem.title }}</a>
    </ul>
  </li>
</ul>