import React from 'react'; import ReactDOM from 'react-dom'; import SplitButton from '..'; const { Item } = SplitButton; const menu = [ 'Undo', 'Redo', 'Cut', 'Copy', 'Paste' ].map(item => ( {item} )); interface IState { visible: boolean; label: string; } class CompositeSplitButton extends React.Component<{}, IState> { constructor(props) { super(props); this.state = { visible: false, label: 'Choose Action', }; } onSelect = val => { this.setState({ visible: false, label: val, }); }; changeVisible = visible => { this.setState({ visible, }); }; render() { const { visible, label } = this.state; return ( {menu} ); } } ReactDOM.render(, document.getElementById('split-button-demo-3'));