mavajee/react-nullable-transition

vue like transition for react

react-nullable-transition is simple wrap component for using react-transition-group with jsx stataments (like vue transition).

For example you can create OpacityTransition component based on this package and use it like this:

<OpacityTransition>
  {show && <Square />}
</OpacityTransition>

See full example here or on codesandbox.