export default()

in packages/@fbcmobile-ui/Hooks/useMountedState.js [16:29]

• 10 lines of code
• 1 McCabe index (conditional complexity)

export default (): (() => boolean) => {
  const mountedRef = useRef<boolean>(false);

  useEffect(() => {
    mountedRef.current = true;

    return () => {
      // The cleanup function of useEffect is called by React on unmount
      mountedRef.current = false;
    };
  }, []);

  return useCallback(() => mountedRef.current, []);
};