@root-systems/redux-form-validators/src/format.js

Simple validations with redux-form

import React from 'react'
import { FormattedMessage } from 'react-intl'
import { formatMessage, prepare, memoize, DEFAULT_ALLOW_BLANK } from './helpers'


export const INVALID_MSG = (<FormattedMessage id="form.errors.invalid" defaultMessage="is invalid" />)

let format = memoize(function ({ 'with': wit, without, message, msg, 'if': ifCond, unless, allowBlank=DEFAULT_ALLOW_BLANK }) {
  msg = formatMessage(msg || message)

  return prepare(ifCond, unless, allowBlank, function (value) {
    if ((wit && !value.match(wit)) || (without && value.match(without))) {
      return msg || INVALID_MSG
    }
  })
})

export default format