gamenight/frontend/src/components/MenuBar.jsx

import React from 'react';

export default class MenuBar extends React.Component {

  constructor(props) {
    super(props);
    this.state = {};
  }

  render() {
    return (
      <ul>
        <li>
          <a>Gamenight</a>
        </li>
        <li>
          <a>User</a>
        </li>
        <li>
          <button onClick={this.props.onLogout}>Logout</button>
        </li>
      </ul>
    );
  }
}