/**
 * @returns - either dashboard element, or the overlay that's most on top
 */
export default function getActiveOverlayEl(
  dashboardEl: HTMLElement,
  activeOverlayType?: string | null | undefined,
): HTMLElement {
  if (activeOverlayType) {
    const overlayEl = dashboardEl.querySelector<HTMLElement>(
      `[data-uppy-paneltype="${activeOverlayType}"]`,
    )
    // if an overlay is already mounted
    if (overlayEl) return overlayEl
  }
  return dashboardEl
}