text: /**
   * Copyright 2018 Google Inc. All Rights Reserved.
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *     http://www.apache.org/licenses/LICENSE-2.0
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  
  import React, { Component } from "react";
  
  export default function asyncComponent(importComponent) {
    class AsyncComponent extends Component {
      constructor(props) {
        super(props);
  
        this.state = {
          component: null
        };
      }
  
      async componentDidMount() {
        const { default: component } = await importComponent();
  
        this.setState({
          component: component
        });
      }
  
      render() {
        const C = this.state.component;
  
        return C ? <C {...this.props} /> : null;
      }
    }
  
    return AsyncComponent;
  }
  