Function useFocusableRef

packages/@react-spectrum/s2/src/useDOMRef.ts:49–56

(
  ref: FocusableRef<T, D>,
  focusableRef?: RefObject<T | null>
)

}

export function useFocusableRef<T extends HTMLElement = HTMLElement, D extends HTMLElement = T>(
  ref: FocusableRef<T, D>,
  focusableRef?: RefObject<T | null>
): RefObject<D | null> {
  let domRef = useRef<D>(null);
  useImperativeHandle(ref, () => createFocusableRef<T, D>(domRef, focusableRef));
  return domRef;
}

export function unwrapDOMRef<T extends HTMLElement>(
  ref: RefObject<DOMRefValue<T> | null>