download.component.html

<a [href]="getHref()" [ngClass]="{'btn btn-outline-primary btn-sm': (config.display=='text-button' || config.display=='icon-button')}">
    <span *ngIf="config.display !== 'icon-button'">{{ config.text }}</span>
    <span *ngIf="config.display === 'icon-button'" class="{{config.icon}}"></span>
</a>