redux-form-validator

validator.js

import { reduxForm } from 'redux-form'
import { validator } from 'rzp/utils/validator'

@reduxForm({
  name: 'formName',
  validate: validator({
    firstName: {
      presence: true,
      message: 'First name can\'t be blank',
    },
    
    email: {
      presence: true,
      type: 'email', // supported types date,number,string
      messages: {
        presence: 'Email can\'t be blank',
        type: 'Email is invalid'
      },
      length: {
        min: 3,
        max: 10,
        message: 'should be between 3 & 10',
        messages: {
          min: 'Can\'t be less than 3 chars',
          max: 'Can\'t be more than 10 chars'
        }
      }      
    }
  })
})