RxJS and redux-observable

Middleware is a powerful feature of Redux applications that “provides a third-party extension point between dispatching an action, and the moment it reaches the reducer”. This means that you can access dispatched actions as well as…

unit testing epics when using redux-observable

$cyan-tifically-proven

I was recently implementing the specs for a file uploading UI when I encountered this interesting bit. (Fig. 1)

Once a file has been uploaded, the box in Fig. 1 needs to appear in the UI displaying a file type icon, the name of the user…