import { DependencyList, EffectCallback, useEffect, useRef } from 'react';

/**
 * The useUpdateEffect function is a custom hook that behaves like useEffect, but only runs on updates and not on initial mount.
 * It takes in an effect function and an optional dependency list as parameters.
 * It returns nothing.
 */
const useUpdateEffect = (effect: EffectCallback, deps?: DependencyList) => {
  const isInitialMount = useRef(true);

  useEffect(() => {
    if (isInitialMount.current) {
      isInitialMount.current = false;
    }
    return effect();
  }, deps);
};

export default useUpdateEffect;