text: module.exports = function getSocketHost (url) {
    // get the host domain
    const regex = /^(?:https?:\/\/|\/\/)?(?:[^@\n]+@)?(?:www\.)?([^\n]+)/i
    const host = regex.exec(url)[1]
    const socketProtocol = /^http:\/\//i.test(url) ? 'ws' : 'wss'
  
    return `${socketProtocol}://${host}`
  }
  