src/index.js

export { default as CSSTransition } from './CSSTransition';
export { default as ReplaceTransition } from './ReplaceTransition';
export { default as SwitchTransition } from './SwitchTransition';
export { default as TransitionGroup } from './TransitionGroup';
export { default as Transition } from './Transition';
export { default as config } from './config';