Rocket.Chat/client/views/blocks/index.js

import { HTML } from 'meteor/htmljs';

import { createTemplateForComponent } from '../../reactAdapters';

createTemplateForComponent('ModalBlock', () => import('./ModalBlock'), {
	// eslint-disable-next-line new-cap
	renderContainerView: () => HTML.DIV({ style: 'display: flex; width: 100%; height: 100%;' }),
});

createTemplateForComponent('Blocks', () => import('./MessageBlock'));