RN Scaffold - Navigators Index.js

index.js

// MyApp/src/app/navigators/index.js
// @flow

import * as React from 'react'
import { SwitchNavigator } from 'react-navigation'

import PrivateRoot from './PrivateRootNavigator'
import PublicRoot from './PublicRootNavigator'

import { PRIVATE_ROUTE, PUBLIC_ROUTE } from './routes'

function createRootNavigator(signedIn: boolean = false): React.ComponentType<any, any> {
  return SwitchNavigator(
    {
      [PRIVATE_ROUTE]: {
        screen: PrivateRoot,
      },
      [PUBLIC_ROUTE]: {
        screen: PublicRoot,
      }
    },
    {
      headerMode: "none",
      mode: "modal",
      initialRouteName: signedIn ? PRIVATE_ROUTE : PUBLIC_ROUTE
    }
  );
}

export const createPrivateRootNavigator = () => createRootNavigator(true);
export const createPublicRootNavigator = () => createRootNavigator(false);