dynamic-import-react-example-1.js

import React from "react";

export default class LazilyLoadedCustomFeature extends Component {
  state = {
    content: null
  };
  componentDidMount() {
    import(pathtofile).then(e => {
      this.setState({ content: e });
    });
  }
  render() {
    const { content } = this.state;
    return content;
  }
}