DefinitelyTyped/types/react-burger-menu/react-burger-menu-tests.tsx

import * as React from 'react';
import { slide as Menu, State } from 'react-burger-menu';

class Example extends React.Component {
  showSettings(event: {
    preventDefault(): void;
  }) {
    event.preventDefault();
  }

  render() {
    return (
      <Menu
        customBurgerIcon={<img src="img/icon.svg" />}
        customCrossIcon={<img src="img/icon.svg" />}
        onStateChange={this.onStateChange}
      >
        <a id="home" className="menu-item" href="/">Home</a>
        <a id="about" className="menu-item" href="/about">About</a>
        <a id="contact" className="menu-item" href="/contact">Contact</a>
        <a onClick={this.showSettings} className="menu-item--small" href="">Settings</a>
      </Menu>
    );
  }

  onStateChange = (state: State): void => {
    console.log(state.isOpen);
  }
}