html2canvas cloneNode issue

To demonstrate the issue.

HTML

<script src="https://unpkg.com/react@16/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
<div id="container">
    <script src="https://html2canvas.hertzen.com/dist/html2canvas.min.js"></script>
    <!-- This element's contents will be replaced with your component. -->
</div>

Babel + JSX

class Hello extends React.Component {
  saveToPngWorks = () => {
  	const tag = document.getElementById('captureMe');
    const p = html2canvas(tag);
    
	  p.then(canvas => {
      const url = canvas.toDataURL("image/png");
      const link = document.createElement("a");
      link.href = url;
      link.download = "test.png"
      link.click(link);
    })
  }
  
  saveToPngError = () => {
  	const tag = document.getElementById('captureMe');

		// FIXME: Error here!!
	  const clone = tag.cloneNode(true);
    const p = html2canvas(clone);
    
	  p.then(canvas => {
      const url = canvas.toDataURL("image/png");
      const link = document.createElement("a");
      link.href = url;
      link.download = "test.png"
      link.click(link);
    })
  }
  
  render() {
    return <div id='captureMe'>
      Hello {this.props.name}
      <button onClick={this.saveToPngWorks}>Save</button>
      <button onClick={this.saveToPngError}>Save Error</button>
    </div>;
  }
}

ReactDOM.render(
  <Hello name="World" />,
  document.getElementById('container')
);