Vulcan/packages/example-forum/lib/components/users/UsersName.jsx

import { registerComponent } from 'meteor/vulcan:core';
import React from 'react';
import PropTypes from 'prop-types';
import Users from 'meteor/vulcan:users';
import { Link } from 'react-router';

const UsersName = ({user}) => <Link className="users-name" to={Users.getProfileUrl(user)}>{Users.getDisplayName(user)}</Link>

UsersName.propTypes = {
  user: PropTypes.object.isRequired,
}

UsersName.displayName = 'UsersName';

registerComponent('UsersName', UsersName);