vue 获取本机host ip地址

let localhost = ''
try {
  const network = os.networkInterfaces()
  network[Object.keys(network)[0]].forEach(function(details) {
    if(localhost === '' && details.family === 'IPv4' && !details.internal) {
      localhost = details.address
      return
    }
  });
} catch (e) {
  localhost = 'localhost';
}