example.jsx

class ListComponent extends Component {
  // need to make sure to define instance method (not prototype) if you need to access state
  sort = () => {
    console.log('Sort');
  }
  render() {
    return (
      <ListComponentHeader sort={this.sort} />
    );
  }
}

class ListComponentHeader extends Component {
  render() {
    return (
      <ListComponentHeaderSortButton onClick={this.props.sort} />
    );
  }
}

class ListComponentHeaderSortButton extends Component {
  render() {
    return (
      <button onClick={this.props.onClick} />
    );
  }
}