content: import React from 'react';
  import {logging} from 'react-server';
  
  const logger = logging.getLogger(__LOGGER__);
  
  export default class HelloWorld extends React.Component {
  	constructor(props) {
  		super(props);
  		this.state = {exclamationCount: 0};
  		this.handleClick = () => {
  			logger.info(`Getting more excited! previously ${this.state.exclamationCount} excitements.`);
  			this.setState({exclamationCount: this.state.exclamationCount + 1});
  		};
  	}
  
  	render() {
  		return (
  			<div>
  				<h2>Hello, World{'!'.repeat(this.state.exclamationCount)}</h2>
  				<button onClick={this.handleClick}>Get More Excited!</button>
  			</div>
  		);
  	}
  }
  