@supunlakmal/hooks/dist/hooks/state-management/usePrevious.js

A collection of reusable React hooks

import { useRef, useEffect } from 'react';
/**
 * Custom hook to get the previous value of a prop or state.
 *
 * @template T The type of the value to track.
 * @param {T} value The current value.
 * @returns {T | undefined} The value from the previous render, or undefined on the initial render.
 */
export const usePrevious = (value) => {
    // Initialize ref with undefined
    const ref = useRef(undefined);
    // Store current value in ref *after* rendering
    useEffect(() => {
        ref.current = value;
    }, [value]); // Re-run effect only when value changes
    // Return previous value (value from previous render)
    return ref.current;
};
//# sourceMappingURL=usePrevious.js.map