import { invariant } from '../invariant'; import isHtmlElement from './is-type-of-element/is-html-element'; export default function checkIsValidInnerRef(el?: HTMLElement | null) { invariant( el && isHtmlElement(el), ` provided.innerRef has not been provided with a HTMLElement. You can find a guide on using the innerRef callback functions at: https://github.com/hello-pangea/dnd/blob/main/docs/guides/using-inner-ref.md `, ); }