Qortal-Hub/src/common/Portal.tsx

import React, { useEffect, useState } from 'react'
import { createPortal } from 'react-dom'

interface PortalProps {
  children: React.ReactNode
}

const Portal: React.FC<PortalProps> = ({ children }) => {
  const [mounted, setMounted] = useState(false)

  useEffect(() => {
    setMounted(true)

    return () => setMounted(false)
  }, [])

  return mounted
    ? createPortal(
        children,
        document.querySelector('#modal-root') as HTMLElement
      )
    : null
}

export default Portal