toast.component.html

<div class="toast-holder">
    <div *ngFor="let toast of toasts | keyvalue">
        <div class="toast {{toast.value.type}}">
            <a (click)="close(toast.key)" aria-label="close" class="close">
                <span class="icon" title="Close analysis">
                    <i class="fas fa-times" aria-hidden="true"></i>
                </span>
            </a>
            <p>{{toast.value.message}}</p>
        </div>
    </div>
</div>