export const childrenSansPassthrough = (el: Element): Element[] => {
  return Array.from<Element>(el.children)
    .flatMap((child: Element) =>
      getComputedStyle(child).display === 'contents'
        ? childrenSansPassthrough(child)
        : child,
    )
    .filter(
      (node: Element) =>
        node.nodeName !== 'TEMPLATE' &&
        getComputedStyle(node).display !== 'none',
    )
}