code: function shouldMatchElement(el) {
  	if (!el) {
  		return true;
  	}
  	if (el.getAttribute('aria-hidden') === 'true') {
  		return false;
  	}
  	return shouldMatchElement(getComposedParent(el));
  }
docs: Only match the outer-most `aria-hidden=true` element
  @param {HTMLElement} el the HTMLElement to verify
  @return {Boolean}