reactuals/dist/hooks/useIsMounted.js

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

import { useEffect, useRef } from "react";
/**
 * Returns a ref that tells whether the component is mounted.
 */
export function useIsMounted() {
    const isMounted = useRef(false);
    useEffect(() => {
        isMounted.current = true;
        return () => {
            isMounted.current = false;
        };
    }, []);
    return () => isMounted.current;
}