useClickOutside v2

example.ts

 useClickOutside({
    isOpen,
    ref: containerRef,
    onRequestClose: () => setIsOpen(false),
  })

useClickOutside.ts

import { useEffect, RefObject } from 'react'

type UseClickOutsideProps = {
  ref: RefObject<HTMLElement>
  onRequestClose: () => void
  isOpen: boolean
}

export const useClickOutside = ({
  ref,
  isOpen,
  onRequestClose,
}: UseClickOutsideProps): void => {
  useEffect(() => {
    function handleClickOutside(event: MouseEvent) {
      if (isOpen) {
        if (ref.current && !ref.current.contains(event.target as Node)) {
          onRequestClose()
        }
      }
    }

    document.addEventListener('mousedown', handleClickOutside)

    return () => {
      document.removeEventListener('mousedown', handleClickOutside)
    }
  }, [ref, isOpen, onRequestClose])
}