reactuals/dist/hooks/usePrevious.js

A useful package providing a collection of 50+ React hooks and utilities to simplify React development.

import { useEffect, useRef } from "react";
/**
 * Returns the previous value of a variable.
 * @param value - Current value
 */
export function usePrevious(value) {
    const ref = useRef(undefined);
    useEffect(() => {
        ref.current = value;
    }, [value]);
    return ref.current;
}