Function useComposedRef

packages/react/src/lib/compose-refs.ts:30–33

(
  outer: React.Ref<T> | undefined,
  local: React.RefObject<T | null>,
)

/** `composedRefCallback`, kept stable across renders for stable inputs so the
 *  incoming ref is not detached and reattached on every render. */
export const useComposedRef = <T>(
  outer: React.Ref<T> | undefined,
  local: React.RefObject<T | null>,
): React.RefCallback<T> => React.useMemo(() => composedRefCallback(outer, local), [outer, local]);