React Native 전용 CustomNavigator 작성

CustomNavigator.js

import React, { Component } from 'react'
import {
  createNavigator,
  createNavigationContainer,
  addNavigationHelpers,
  TabRouter
} from 'react-navigation'

export default class extends Component {
  //TODO: 타입검사 
  navigator = ({ router, navigation }) => {
    var { routes, index } = navigation.state
    var Screen = router.getComponentForState(navigation.state)
    return (
      <Screen navigation={addNavigationHelpers({
        ...navigation,
        state: routes[index],
      })} />
    )
  }
  render() {
    const Routes = TabRouter(this.props.routes)
    var Container = createNavigationContainer(createNavigator(Routes)(this.navigator))
    return (<Container />)
  }
}