Componente de alto nivel

higher-order.js

class Dropdown extends Component {
 state = {
   isOpened: false,
 }
 handleClickOutside = () => {
   this.toggle();
 }

 toggle= () => {
   this.setState({ isOpened: !this.state.isOpened });
 }

 render() {
   ...
 }
}

module.exports = enhanceWithClickOutside(Dropdown)