Don't working with ES6 classes. about babel-plugin-flow-react-proptypes HOT 5 CLOSED

/* eslint-disable */
const transform = require('babel-core').transform;

const { code } = transform(`
import React, { Component } from 'react';

type Props = {
  label?: string,
  anotherLabel?: string,
};

class Test extends Component {
  props: Props;

  render() {
    return (
      <div>{this.props.label} {this.props.anotherLabel}</div>
    );
  }
}

export default Test;
`, {
  babelrc: false,
  presets: ['es2015', 'stage-1', 'react'],
  plugins: [
    'syntax-flow',
    'flow-react-proptypes',
    'syntax-object-rest-spread',
    'transform-class-properties',
    'transform-export-extensions',
    'transform-decorators-legacy',
    ['react-docgen', { "DOC_GEN_COLLECTION_NAME": "STORYBOOK_REACT_CLASSES" }]
  ],
});

console.log(code);