Simon Biggs
It might not be wrt to a new session. Anyway, need to investigate further and rectify.
This is now working! It is awesome! :)  Ahhh it looks beautiful :) This has been implemented within the branch https://github.com/SimonBiggs/scriptedforms/tree/jupyterlab-extension It requires JupyterLab master with the following pull...
@OxygenLithium @robmarkcole
My first order of business will be to see if I can make print work from within JupyterLab. If I manage that then I will work on setting it up...
Ahh, I can finally add ScriptedForms to the jupyterlab-extension topic list: https://github.com/search?l=TypeScript&q=topic%3Ajupyterlab-extension&type=Repositories
Check it out: 
That console on the right is a complete history of all the code that has been run and its order. Perfect for debugging. Also, you can add custom code in...
Anyway, gotta go make dinner now :). It was fun :).
It's a serious testament to the JupyterLab team how easy it was to pull it all in. They really have made something beautiful. :).
And you can also of course attach a Notebook to the same kernel: 