require('stream/web).ReadableStream and require('stream/web).TransformStream errors #525

Hi, thanks for making this package!

I'm using multiple third-party npm packages that call require('stream/web') with either ReadableStream or TransformStream. If I had access to those modules, I'd be able to pass readable-stream's Readable or Transform to them, but I'm not able to unfortunately. It also seems I can't alias the stream/web path specifically in my babel config, so I'm a little on the fence in terms of how best to approach this.

Do you have any thoughts around the best way to solve for this? Also, is there a reason this package isn't a 1:1 with stream in terms of its paths/exports? Thanks!