src/react/RadioGroup.js

import React from 'react';
import Radio from './Radio.js';

class RadioGroup extends React.Component {
	constructor(props) {
		super(props);
		this.radios = {};
	}

	render() {
		let {name, disabled, title, options, value, className} = this.props;
		let dataTestId = this.props['data-test-id'];
		return (<div data-test-id={dataTestId} className={`sdc-radio-group ${className || ''}`}>
			{ title && <label className='sdc-radio-group__legend'>{title}</label> }
			<div className='sdc-radio-group__radios'>
			{options.map(option => {
				let rName = name + '_' + option.value;
				return (<Radio ref={(radio) => {this.radios[rName] = radio;}} data-test-id={dataTestId + '_' + option.value}
					   key={rName} value={option.value}
					   label={option.label} checked={value === option.value} disabled={disabled}
					   name={name} onChange={() => this.onChange(rName)} />
				);})}
			</div>
		</div>);
	}

	onChange(rName) {
		let {onChange} = this.props;
		let val = this.radios[rName].getValue();
		if (onChange) {
			onChange(val);
		}
	}

	getValue() {
		return this.props.value;
	}
}

export default RadioGroup;