This project is no longer being maintained. I'd recommend using
childrenOfType
from the airbnb-prop-types package instead.
Custom prop type validator for checking React component types.
import componentOf from 'react-component-of';
import Button from './Button';
const ButtonGroup = ({children}) => (
<div className="ButtonGroup">
{children}
</div>
);
ButtonGroup.propTypes = {
children: componentOf([Button]).isRequired
};
export default ButtonGroup;