text: import React from 'react';
  import ReactDOM from 'react-dom';
  import singleSpaReact from 'single-spa-react';
  import App from './App';
  
  // 判断当前页面使用singleSpa应用,不是就渲染
  if (!window.singleSpaNavigate) {
      ReactDOM.render(<App />, document.getElementById('root'));
  }
  
  const reactLifecycles = singleSpaReact({
      React,
      ReactDOM,
      rootComponent: App,
      domElementGetter: () => document.getElementById('react-app') // 指定要挂载到哪个dom元素上面
  });
  
  export const bootstrap = [
      reactLifecycles.bootstrap,
  ];
  
  export const mount = [
      reactLifecycles.mount,
  ];
  
  export const unmount = [
      reactLifecycles.unmount,
  ];
  