checkPopup() {
  const check = setInterval(() => {
    const { popup } = this
    if (!popup || popup.closed || popup.closed === undefined) {
      clearInterval(check);
      this.setState({ disabled: ''})
    }
  }, 1000)
}

openPopup() {
  const width = 600, height = 600
  const left = (window.innerWidth / 2) - (width / 2)
  const top = (window.innerHeight / 2) - (height / 2)

  const url = `${API_URL}/twitter?socketId=${socket.id}`

  return window.open(url, '',
    `toolbar=no, location=no, directories=no, status=no, menubar=no,
    scrollbars=no, resizable=no, copyhistory=no, width=${width},
    height=${height}, top=${top}, left=${left}`
  )
}