@if (htmlPreviewUrl(); as previewUrl) {
  <iframe
    #htmlPreviewFrame
    [src]="previewUrl | safe: 'resourceUrl'"
    sandbox="allow-downloads allow-forms allow-modals allow-popups allow-scripts"
    referrerpolicy="no-referrer"
    class="h-full min-h-0 w-full flex-1 border-none bg-components-panel-bg"
    (load)="handleHtmlPreviewLoad()"
  ></iframe>
}