src/react/Tabs.js

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

class Tabs extends React.Component {
	render() {
		const {type, children = [], activeTab, onTabClick, className} = this.props;
		return (
			<div className={type === 'header' ? `sdc-tabs sdc-tabs-header ${className || ''}` : `sdc-tabs sdc-tabs-menu ${className || ''}`} >
				<ul className='sdc-tabs-list' role='tablist'>
					{children.map(child => React.cloneElement(child,
						{
							key: child.props.tabId,
							onClick: () => onTabClick(child.props.tabId),
							activeTab
						}))}
				</ul>
				<TabPane>
					{children.map(child => {
						if (child.props.tabId === activeTab) {
							return child.props.children;
						}
					})}
				</TabPane>
			</div>
		);
	}
}

export default Tabs;