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我是 Javascript 的初学者，我正在构建一个应用程序来提高我的技能。在为该应用程序制作登录系统时，我在从“主”父函数返回所需数据时遇到问题。

这是具有 2 个“子”功能的主要功能：

mock.onPost('/api/account/login').reply((config) => {

  // takes email and password from login form
  const { email, password } = JSON.parse(config.data);

  // create variables needed for user login
  let login_response = '';
  let memberId = '';
  let firstName = '';
  let lastName = '';

  function loginProcess(email, memberId, firstName, lastName, login_response) {

    if (login_response !== 'ok' ) {
      return [400, { message: 'Please check your email and password' }];
    }

    // let's save the information returned by the backend in the user object
    const db = {
      user: {
        id: memberId,
        email: email,
        firstName: firstName,
        lastName: lastName
      }
    };

    const { user } = db;

    // create the accessToken using the User ID returned by the backend
    const accessToken = jwt.sign(
      { id: user.id },
      JWT_SECRET,
      { expiresIn: JWT_EXPIRES_IN }
    );

    // if everything is ok with the login, we return the user object and an acccessToken
    return [200, { user, accessToken }];
  }

  // create the loginUser function that will make the request to the backend and database
  async function loginUser(email, password, memberId, login_response, firstName, lastName) {
    try {

      // request to flask endpoint to check if user exist and returns user information
      let loginResponse = await axios.get('http://localhost:5000/login/'+'?email='+email+'&password='+password)

      login_response = loginResponse.data.response;
      memberId = loginResponse.data.member_id;
      firstName = loginResponse.data.name.firstName;
      lastName = loginResponse.data.name.lastName;

      // returns user information and login response
      return loginProcess(email, memberId, firstName, lastName, login_response);

    } catch (err) {
      console.error(err);
    }
  }

  // lets run the loginUser function
  let res = loginUser(email, password, memberId, login_response, firstName, lastName);
});

基本上，该函数loginProcess是在 async 函数中使用的函数loginUser。两者都是 main 函数的子函数mock.onPost('/api/account/login').reply((config)。

我需要主函数mock.onPost('/api/account/login').reply((config)也返回子函数函数返回的值loginProcess，不知道该怎么做。

我知道子函数是异步的，据我了解，主函数在异步完成运行之前完成“运行”并返回“空”值。但我无法弄清楚如何做到这一点。

我将不胜感激。如果我没有正确解释自己，请告诉我。

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