Vulcan/packages/vulcan-admin/lib/components/users/AdminUsersItem.jsx

import React, { PureComponent } from 'react';
import Users from 'meteor/vulcan:users';
import { Link } from 'react-router';
import { Components, withRemove } from 'meteor/vulcan:core';
import moment from 'moment';
import Button from 'react-bootstrap/lib/Button';

const AdminUsersItem = ({ user, removeMutation }) =>{

  const deleteHandler = e => {
    e.preventDefault();
    if (confirm(`Delete user ${Users.getDisplayName(user)}?`)) {
      removeMutation({documentId: user._id});
    }
  }

  return (
    <tr className="admin-users-item">
      <td className="admin-users-item-name"><Link to={Users.getProfileUrl(user)}><Components.UsersAvatar user={user} link={false}/> <span>{Users.getDisplayName(user)}</span></Link></td>
      <td className="admin-users-item-email"><a href={`mailto:${Users.getEmail(user)}`}>{Users.getEmail(user)}</a></td>
      <td className="admin-users-item-created">{moment(new Date(user.createdAt)).format('MM/DD/YY')}</td>
      <td className="admin-users-item-groups">{_.rest(Users.getGroups(user)).map(group => <code key={group}>{group}</code>)}</td>
      <td className="admin-users-item-actions"><Button bsStyle="primary" onClick={deleteHandler}>Delete</Button></td>
    </tr>
  )
}

const removeOptions = {
  collection: Users
}

export default withRemove(removeOptions)(AdminUsersItem);