mon-entreprise/source/containers/Layout.js

import React, { Component } from "react"
import "./Layout.css"
import "./reset.css"
import { Link, Route, Router, Switch } from "react-router-dom"
import HomeEmbauche from "Components/HomeEmbauche"
import HomeSyso from "Components/HomeSyso"
import Rule from "Components/rule/Rule"
import Route404 from "Components/Route404"
import Contact from "Components/Contact"
import Simulateur from "Components/Simulateur"
import Results from "Components/Results"
import RulesList from "Components/RulesList"
import ReactPiwik from "react-piwik"
import createHistory from "history/createBrowserHistory"

const piwik = new ReactPiwik({
	url: "stats.data.gouv.fr",
	siteId: 39,
	trackErrors: true
})

export default class Layout extends Component {
	history = createHistory()

	render() {
		let displayWarning = ["/simu/", "/regle/", "/regles"].find(
			t => window.location.href.toString().indexOf(t) > -1
		)

		// track the initial pageview
		ReactPiwik.push(["trackPageView"])

		return (
			<Router history={piwik.connectToHistory(this.history)}>
				<div id="main">
					<div id="ninetyPercent">
						<div id="header">
							{displayWarning && (
								<div id="warning">
									<Link to="/contact">version BETA</Link>
								</div>
							)}
							{
								// this.props.location.pathname != '/' &&
								// <Link to="/">
								// 	<img id="site-logo" src={require('../images/logo.png')} />
								// </Link>
							}
						</div>
						<Switch>
							<Route exact path="/" component={HomeEmbauche} />
							<Route exact path="/syso" component={HomeSyso} />
							<Route path="/contact" component={Contact} />
							<Route path="/regle/:name" component={Rule} />
							<Route path="/regles" component={RulesList} />
							<Route path="/simu/:name/:intro?" component={Simulateur} />
							<Route component={Route404} />
						</Switch>
					</div>
					<Results />
				</div>
			</Router>
		)
	}
}