client.js

import React from 'React';
import ReactDOM from 'react-dom';
import Relay from 'react-relay';

let mountNode = root;

class Users extends React.Component {
  constructor(props) {
    console.error(props);
    super(props);
  }
  render() {
    console.error(props);
    return <ul>
      {this.props.users.map(
        u => <div>{u.name}</div>
      )}
    </ul>;
  }
}

Users = Relay.createContainer(Users, {
  fragments: {
    users: () => Relay.QL`
      fragment on viewer {
        users {
          id
          name
        }
      }
      `
  },
});

class UsersHomeRoute extends Relay.Route {
  static routeName = 'Home'; //${Component.getFragment('users')}
  static queries = {
    users: (Component) => Relay.QL`
      query {
        viewer { ${Component.getFragment('users')} }
      }
    `,
  };
}

ReactDOM.render(
  <Relay.RootContainer
    Component={Users}
    route={new UsersHomeRoute()}
  />,
  root
);