text: const constraints = {
    firstName: {
      presence: {
        allowEmpty: false
      },
      type: 'string'
    },
  
    lastName: {
      presence: {
        allowEmpty: false
      },
  
      type: 'string'
    },
  
    username: {
      length: {
        minimum: 2,
        maximum: 20
      },
  
      presence: {
        allowEmpty: false
      },
  
      type: 'string'
    },
  
    emailAddress: {
      email: {
        message: '^E-mail address is invalid'
      },
  
      presence: {
        allowEmpty: false
      },
  
      type: 'string'
    },
  
    emailAddressConfirmation: {
      email: {
        message: '^E-mail address confirmation is invalid'
      },
  
      equality: {
        attribute: 'emailAddress',
        message: '^E-mail address confirmation is not equal to e-mail address'
      },
  
      presence: {
        allowEmpty: false
      },
  
      type: 'string'
    },
  
    password: {
      length: {
        minimum: 6
      },
  
      presence: {
        allowEmpty: false
      },
  
      type: 'string'
    },
  
    passwordConfirmation: {
      equality: 'password',
  
      length: {
        minimum: 6
      },
  
      presence: {
        allowEmpty: false
      },
  
      type: 'string'
    },
  };
  
  export default constraints;