@mskcc/carbon-react/es/internal/useEffectOnce.js

Carbon react components for the MSKCC DSM

/**
 * MSKCC 2021, 2024
 */

import { useRef, useEffect } from 'react';

/**
 * A custom hook which will call the given callback exactly once when your
 * component is initially rendered and effects are first called
 *
 * @param {Function} callback
 */
function useEffectOnce(callback) {
  const savedCallback = useRef(callback);
  const effectGuard = useRef(false);
  useEffect(() => {
    savedCallback.current = callback;
  });
  useEffect(() => {
    if (effectGuard.current !== true) {
      effectGuard.current = true;
      savedCallback.current();
    }
  }, []);
}

export { useEffectOnce };