import * as React from 'react'; /** * React hook to merge multiple React refs (either MutableRefObjects or ref callbacks) into a single ref callback that * updates all provided refs * @param refs - Refs to collectively update with one ref value. * @returns A function with an attached "current" prop, so that it can be treated like a RefObject. */ export function useMergedRefs(...refs) { 'use no memo'; const mergedCallback = React.useCallback((value)=>{ // Update the "current" prop hanging on the function. mergedCallback.current = value; for (const ref of refs){ if (typeof ref === 'function') { ref(value); } else if (ref) { // work around the immutability of the React.Ref type ref.current = value; } } }, // eslint-disable-next-line react-hooks/exhaustive-deps -- already exhaustive [ ...refs ]); return mergedCallback; }