In things/index.js,
export {default as ThingA} from './ThingA'
export {default as ThingB} from './ThingB'
export {default as ThingC} from './ThingC'
Then to consume all the things elsewhere,
import * as things from './things'
B. Yan, Y. Xu, H. Xing, K. Xi, and H. Chao. Proceedings of the Third Workshop on Hot Topics in Software Defined
Networking, page 163--168. New York, NY, USA, ACM, (2014)