@newrelic/gatsby-theme-newrelic/src/hooks/useSyncedRef.js

[](https://opensource.newrelic.com/oss-category/#community-project)

import { useEffect, useRef } from 'react';

const useSyncedRef = (ref) => {
  const innerRef = useRef();

  useEffect(() => {
    if (!ref) {
      return;
    }

    if (typeof ref === 'function') {
      ref(innerRef.current);
    } else {
      ref.current = innerRef.current;
    }
  });

  return innerRef;
};

export default useSyncedRef;