link-renderer.component.html

<a *ngIf="value" [href]="getValue()" target="{{(getConfig().blank) ? '_blank' : '_self'}}"
    [ngClass]="{'btn btn-outline-primary btn-sm btn-block': (getConfig().display=='text-button' || getConfig().display=='icon-button')}">
    <span *ngIf="getConfig().display !== 'icon-button'">{{ getText() }}</span>
    <span *ngIf="getConfig().display === 'icon-button'" class="{{getConfig().icon}}"></span>
</a>