React-Navigation starter files.

AppNavigator.js

import { createAppContainer } from 'react-navigation';
import { createStackNavigator } from 'react-navigation-stack';

import ROUTE from './route';
import HomeScreen from './screens/HomeScreen';

const createRouteConfig = ({ key, title }, screen) => ({
  [key]: {
    screen,
    navigationOptions: {
      title,
    },
  },
});

const AppNavigator = createStackNavigator({
  ...createRouteConfig(ROUTE.HOME, HomeScreen),
});

export default createAppContainer(AppNavigator);

route.js

import { each } from 'lodash';

const ROUTE = {
  HOME: {
    title: 'Home',
  },
};

each(ROUTE, (o, key) => o.key = key);

export default ROUTE;