NativeRouter.js

import React from 'react'
import PropTypes from 'prop-types'
import MemoryRouter from 'react-router/MemoryRouter'
import { Alert } from 'react-native'

/**
 * The public API for a <Router> designed for React Native. Gets
 * user confirmations via Alert by default.
 */
const NativeRouter = (props) => (
  <MemoryRouter {...props}/>
)

NativeRouter.propTypes = {
  initialEntries: PropTypes.array,
  initialIndex: PropTypes.number,
  getUserConfirmation: PropTypes.func,
  keyLength: PropTypes.number,
  children: PropTypes.node
}

NativeRouter.defaultProps = {
  getUserConfirmation: (message, callback) => {
    Alert.alert('Confirm', message, [
      { text: 'Cancel', onPress: () => callback(false) },
      { text: 'OK', onPress: () => callback(true) }
    ])
  }
}

export default NativeRouter