Add support for JupyterLab 4.x

[isumitjha]

Fixes #29 and #33

I have been working on this lately, out of the desire to see this working on JupyterLab 4.x.
To be able to make sure that it really works, I tested it locally and also fixed the integration tests

You can see the CI is green in the Actions for my fork here:
https://github.com/isumitjha/jupyterlab-conda-store/actions/runs/7389583334

This is what it accomplishes:

• Upgrade to JupyterLab 4.x
• Fix integration Tests
• Execute integration tests in the CI
• Add ui-tests to workspace to be able to run them easily
• Fix extension code to work on JupyterLab 4.x
• Update jupyter server test config to be able to run playwright tests, which wasn't working earlier.
• Fix Typescript formatting/prettier
• Add/update docs

ping @trallard

Pull request checklist

• Did you test this change locally?
• Did you update the documentation (if required)?
• Did you add/update relevant tests for this change (if required)?

Additional information

[isumitjha]

Working example:

conda-store-screencast.mp4

[pavithraes]

Thank you so much for this PR, we've wanted to do this for a while. We'll prioritize getting this reviewed and merged soon 🌻

---

Aside,

I know this is a little late, but ✨ welcome! ✨ We really appreciate your contributions across the conda-store repos!

It'll also great if you could drop a comment on any issue you're interested in working on in the future - that way we can provide support, share any additional context, and plan for code reviews early. :)

[isumitjha]

Thanks @pavithraes glad to contribute.

It'll also great if you could drop a comment on any issue you're interested in working on in the future - that way we can provide support, share any additional context, and plan for code reviews early. :)

Sure, will do that in future. I didn't initially want to commit before trying this one as I was not sure how much time it will take and when I started working on it I got stuck in the rabbit-hole of issues and eventually ended up creating the PR :)

One feedback I have is I had some issues finding the docs (couldn't find any), but looks like its probably under-construction: https://conda.store/jupyterlab-conda-store/introduction

[isumitjha]

Hi! @pavithraes just wanted to check-in if there is anything I can do to help with the review here? :)

[nkaretnikov]

We had a meeting about this PR last week. IIUC @krassowski should help review this one.

[krassowski]

Yes, it's on my to-do list (I was off sick last couple of days, but will get to this ASAP).

[krassowski]

Looks good in general, some tiny suggestions.

[isumitjha]

Thanks for the review @krassowski I have addressed all the comments, let me know if it looks in good shape now.

[krassowski]

Thank you @isumitjha, this looks good to me!

For maintainers: tested locally and reviewed the code base. It would be relatively easy to make the extension support both Lab 3.x and 4.x (there is only one code change) but JupyterLab 3.x is reaching end of maintenance soon so I personally don't think it is necessary.

[krassowski]

To maintainers: after releasing a new version I would update this to say something like "Version YYYY.MM.X+ is only compatible with JupyterLab `>= 4.0, use version YYYY.MM.Y for older JupyterLab".

[pavithraes]

Thank you, @isumitjha and @krassowski! ✨

Since Mike has ✅ this, I'll go ahead and merge. :)