index.js

import React from "react";
import ReactDOM from "react-dom";
import "assets/css/base.styl";
import App from "modules/app";
import { BrowserRouter, Switch, Route } from "react-router-dom";
import MyAppContext from "context/app-context";
import * as serviceWorker from "./serviceWorker";

ReactDOM.render(
  <MyAppContext>
    <BrowserRouter>
      <Switch>
        <Route path="/" exact={true} component={App} />
        {/* <Route path='/app' component={App} /> */}
        <Route path="*" component={App} />
      </Switch>
    </BrowserRouter>
  </MyAppContext>,
  document.getElementById("root")
);

// If you want your app to work offline and load faster, you can change
// unregister() to register() below. Note this comes with some pitfalls.
// Learn more about service workers: https://bit.ly/CRA-PWA
serviceWorker.unregister();