src/components/regions/index.js

import NoneRegion from './None/NoneRegion';
import TabsRegion from './Tabs/TabsRegion';
import ListRegion from './List/ListRegion';
import PanelRegion from './Panel/PanelRegion';

export default {
  NoneRegion: NoneRegion,
  TabsRegion: TabsRegion,
  ListRegion: ListRegion,
  PanelRegion: PanelRegion,
};