redux-form-validators/src/confirmation.js

Simple validations with redux-form / react-final-form

import Validators from './validators'
import { prepareMsg, prepare, memoize, getIn } from './helpers'

let confirmation = memoize(function ({ field, fieldLabel, caseSensitive, message, msg, if: ifCond, unless }) {
  msg = msg || message
  let fieldKeys = field.split('.')
  fieldLabel = fieldLabel || fieldKeys[fieldKeys.length - 1]

  return prepare(ifCond, unless, false, function (value, allValues) {
    let fieldValue = '' + (getIn(allValues, fieldKeys) || '')

    let cs = caseSensitive != null ? caseSensitive : Validators.defaultOptions.caseSensitive

    if (cs ? value !== fieldValue : value.toLowerCase() !== fieldValue.toLowerCase()) {
      return Validators.formatMessage(prepareMsg(msg, 'confirmation', { fieldLabel: fieldLabel }))
    }
  })
})

export default confirmation