Method constructor

src/RadioGroup.js:24–31

(props)

class RadioGroup extends Component {
  constructor (props) {
    super(props);
    this.state = {
      value: transformValue(props.value),
      data: this.formatData(props.data)
    };
    this.handleChange = this.handleChange.bind(this);
  }
  
  componentWillReceiveProps (nextProps) {
    if (nextProps.value !== this.props.value) {