How to use the leancloud-storage.User function in leancloud-storage

_clicRegister(e) {
    if (!this.state.buttonLogin) {
      this._snackBarOpen('请在本页面填写「账号」与「密码」再点击注册啦～', 5000)
      return
    }
    this.setState({ progressShow: true })
    const mail = this.state.mail
    const password = this.state.password
    const user = new AV.User()
    user.setUsername(mail)
    user.setEmail(mail)
    user.setPassword(password)
    user.set('name', mail.split('@')[0])
    user.signUp().then(loginedUser => {
      this.props.history.push('/')
    }).catch(error => {
      this.setState({ progressShow: false })
      if (error.code === 203)
        return this._snackBarOpen('邮箱已被注册，是不是你忘记密码了？')
      if (error.code === 125)
        return this._snackBarOpen('电子邮箱地址无效，不要骗我')
      return this._snackBarOpen('网络有些问题～')
    })
  }
  // 切换找回密码与登陆界面

function commandFunc(args) {
    var log = this.log;
    var config = this.config;

    if (args._.length !== 3) {
        log.error('Too Few or Many Arguments.');
    } else if (args._[0] === 'register' || args._[0] === 'r') {
        var APP_ID = config.leancloud_counter_security.app_id;
        var APP_KEY = config.leancloud_counter_security.app_key;
        AV.init({
            appId: APP_ID,
            appKey: APP_KEY
        });

        var user = new AV.User();
        user.setUsername(String(args._[1]));
        user.setPassword(String(args._[2]));
        user.signUp().then(function (loginedUser) {
            log.info(loginedUser.getUsername() + ' is successfully signed up');
        }, function (error) {
            log.error(error);
        });
    } else {
        log.error('Unknown Command.');
    }
}

function commandFunc(args) {
    var log = this.log;
    var config = this.config;

    if (args._.length !== 3) {
        log.error('Too Few or Many Arguments.');
    }
    else if (args._[0] === 'register' || args._[0] === 'r') {
        var APP_ID = config.leancloud_counter_security.app_id;
        var APP_KEY = config.leancloud_counter_security.app_key;
        AV.init({
            appId: APP_ID,
            appKey: APP_KEY
        });

        var user = new AV.User();
        user.setUsername(String(args._[1]));
        user.setPassword(String(args._[2]));
        user.signUp().then(
            (loginedUser) => { log.info(loginedUser.getUsername() + ' is successfully signed up'); },
            (error) => { log.error(error); });
    }
    else {
        log.error('Unknown Command.');
    }
}

signUp: function () {
      let user = new AV.User();
      user.setUsername(this.formData.username);
      user.setPassword(this.formData.password);
      user.signUp().then((loginedUser) => {
        this.currentUser = this.getCurrentUser()
      }, (error) => {
        alert('注册失败')
        console.log(error)
      });
    },
    login: function () {

signUp: function () {
      let user = new AV.User();
      user.setUsername(this.formData.username);
      user.setPassword(this.formData.password);
      user.signUp().then((loginedUser) => {
        this.currentUser = this.getCurrentUser()
      }, (error) => {
        alert('注册失败')
      });
    },
    login: function () {

export function signUp(payload) {
  const { username, password, email } = payload
  const avatar = getAvatar()
  const nickname = getNickName()
  const user = new AV.User()
  user.setUsername(username)
  user.setPassword(password)
  user.setEmail(email)
  return user.signUp().then(function(loginedUser) {
    if (!loginedUser.get('userinfo')) {
      const Userinfo = AV.Object.extend('UserInfo')
      const userinfo = new Userinfo()
      userinfo.set('nickname', nickname)
      userinfo.set('contact', email)
      userinfo.set('avatar', avatar)
      userinfo.set('avatar', avatar)
      userinfo.set('isPublic', true)
      userinfo.set('show', 1)
      userinfo.set('stick', 0)
      userinfo.set('teamLimit', 1)
      userinfo.set('groupOrderLimit', 1)

export function signUp(payload) {
  const { username, password, email } = payload
  const avatar = getAvatar()
  const nickname = getNickName()
  const user = new AV.User()
  user.setUsername(username)
  user.setPassword(password)
  user.setEmail(email)
  return user.signUp().then(function(loginedUser) {
    if (!loginedUser.get('userinfo')) {
      const Userinfo = AV.Object.extend('UserInfo')
      const userinfo = new Userinfo()
      userinfo.set('nickname', nickname)
      userinfo.set('contact', email)
      userinfo.set('avatar', avatar)
      userinfo.set('avatar', avatar)
      userinfo.set('isPublic', true)
      userinfo.set('show', 1)
      userinfo.set('stick', 0)
      userinfo.set('teamLimit', 1)
      userinfo.set('groupOrderLimit', 1)