All files / libs/ext/react/hooks/src/lib/use-merged-ref useMergedRef.ts

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import { useCallback, type Ref, type RefCallback } from 'react';
 
/**
 * Merge a list of refs into a callback ref.
 *
 * @param refs - Refs to merge.
 * @returns A callback ref to pass to the element.
 */
export const useMergedRef = <TRef = unknown>(...refs: Ref<TRef>[]): RefCallback<TRef> =>
  useCallback(
    (node: TRef | null) => {
      refs.forEach((ref) => {
        if (typeof ref === 'function') {
          ref(node);
        } else if (typeof ref === 'object' && ref !== null && 'current' in ref) {
          ref.current = node;
        }
      });
    },
    // eslint-disable-next-line react-hooks/exhaustive-deps -- Array must be static.
    refs,
  );