ringcentral-widgets/react-hooks/useIsMounted.ts

RingCentral Integration Widget Library

import { useRef, useEffect } from 'react';

export function useIsMounted() {
  const isMounted = useRef(false);
  useEffect(() => {
    isMounted.current = true;
    return () => {
      isMounted.current = false;
    };
  }, []);
  return isMounted;
}