@bigfishtv/cockpit/src/App.js

import React, { Component } from 'react'
import { DragDropContext } from 'react-dnd'
import HTML5Backend from 'react-dnd-html5-backend'

import Sidebar from 'dumb/Sidebar'
import PageContainer from 'smart/PageContainer'
import FlashMessageHost from 'smart/FlashMessageHost'
import ModalHost from 'smart/ModalHost'

import BreadcrumbHandler from './utils/BreadcrumbHandler'
const breadcrumbHandler = new BreadcrumbHandler()

@DragDropContext(HTML5Backend)
export default class App extends Component {
	static defaultProps = {
		template: 'home',
	}

	componentDidMount() {
		breadcrumbHandler.init()
	}

	render() {
		return (
			<div id="App">
				<Sidebar />
				<PageContainer />
				<ModalHost />
				<FlashMessageHost />
			</div>
		)
	}
}