text: module.exports.validateRegisterInput = (
    username,
    email,
    password,
    confirmPassword
  ) => {
    const errors = {};
    if (username.trim() === "") {
      errors.username = "Username must not be empty";
    }
    if (email.trim() === "") {
      errors.email = "Email must not be empty";
    } else {
      const regEx =
        /^([0-9a-zA-Z]([-.\w]*[0-9a-zA-Z])*@([0-9a-zA-Z][-\w]*[0-9a-zA-Z]\.)+[a-zA-Z]{2,9})$/;
      if (!email.match(regEx)) {
        errors.email = "Email must be a valid email address";
      }
    }
    if (password === "") {
      errors.password = "Password must not be empty";
    } else if (password !== confirmPassword) {
      errors.confirmPassword = "Passwords must match";
    }
  
    return {
      errors,
      valid: Object.keys(errors).length < 1,
    };
  };
  
  module.exports.validateLoginInput = (username, password) => {
    const errors = {};
    if (username.trim() === "") {
      errors.username = "Username must not be empty";
    }
    if (password.trim() === "") {
      errors.password = "Password must not be empty";
    }
  
    return {
      errors,
      valid: Object.keys(errors).length < 1,
    };
  };