basic-async-component.js

import React from 'react'

class Home extends React.Component {
  state = { Component: null }
  
  componentWillMount() {
    import('./Home').then(Component => {
      this.setState({ Component })
    })
  }

  render() {
    const { Component } = this.state
    return Component ? <Component {...props} /> : null
  }
}