Vulcan/packages/vulcan-debug/lib/components/Components.jsx

import React from 'react';
import { registerComponent, Components, ComponentsTable } from 'meteor/vulcan:lib';

const ComponentHOCs = ({ document }) => 
  <div><ul>{document.hocs.map((hoc, i) => <li key={i}>{hoc.name}</li>)}</ul></div>

const ComponentsDashboard = props => 
  <div className="components">
    <Components.Datatable
      showSearch={false}
      showNew={false}
      showEdit={false}
      data={Object.values(ComponentsTable)}
      columns={[
        'name',
        {
          name: 'hocs',
          component: ComponentHOCs
        },
      ]}
    />
  </div>

registerComponent('Components', ComponentsDashboard);