React

by rafaelrozon

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/html2canvas/0.4.1/html2canvas.min.js"></script>
<script src="https://npmcdn.com/[email protected]/dist/react-dom-server.js"></script>
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
<div id="app"></div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#app {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  transition: all 0.2s;
}

li {
  margin: 8px 0;
}

h2 {
  font-weight: bold;
  margin-bottom: 15px;
}

.done {
  color: rgba(0, 0, 0, 0.3);
  text-decoration: line-through;
}

input {
  margin-right: 5px;
}

Babel + JSX

const MyComp = props => {
  const { data } = props;
  return <div className="my-comp">my comp:</div>;
};

const createScrenshot = () => {
  
  const el = (
    <div>
      test component <MyComp />
    </div>
  );
  const markup = ReactDOMServer.renderToString(el);
  let doc = new DOMParser().parseFromString(markup, "text/html");
  let target = doc.body.getElementsByClassName("my-comp")[0];
  
  html2canvas(target)
    .then(function(canvas) {
      console.log(">> ", canvas);
    })
    .catch(error => {
      console.log(error);
    });
};



class TodoApp extends React.Component {
  constructor(props) {
    super(props)
    this.state = {
    	items: [
      	{ text: "Learn JavaScript", done: false },
        { text: "Learn React", done: false },
        { text: "Play around in JSFiddle", done: true },
        { text: "Build something awesome", done: true }
      ]
    }
  }
  
  componentDidMount() {
  	createScrenshot();
  }
  
  render() {
    return (
      <div>
        here
      </div>
    )
  }
}

ReactDOM.render(<TodoApp />, document.querySelector("#app"))