js_react__github-battle/config/routes.js

import React from "react";
import { IndexRoute, Route, Router, hashHistory as history } from "react-router";
import Main from "../components/Main";
import Home from "../components/Home";

const routes = (
  <Router history={history}>
    <Route path="/" component={Main}>
      <IndexRoute component={Home} />
    </Route>
  </Router>
);

export default routes;