main.js

import React from 'react'
import {
  BrowserRouter,
  Route,
} from 'react-router-dom'

import Home from './Home'
import Settings from './Settings'

export default () => (
  <BrowserRouter>
    <React.Fragment>
      <Route exact path="/" component={Home} />
      <Route exact path="/settings" component={Settings} />
    </React.Fragment>
  </BrowserRouter>
)