[Feature]: v29 support?

[nikolay]

🚀 Feature Proposal

Support the just-released Jest v29.

Motivation

Use the newest version of Jest.

Example

No response

[gfoidl]

--> #3767

[nikolay]

Thank you, @gfoidl! I hope this gets released soon.

[ahnpnl]

available under next tag

[gr2m]

Thank you for upgrading ts-jest for compatibility with jest v29, much appreciate 🙏🏼

Do you have any blockers before you can release the stable release of ts-jest@v29? I tested the pre-release with a few repositories and it worked great.

[B4nan]

v29 seems to somehow break code coverage reporting. I see missed lines mainly in barrel files, and it always says lines 10-11 are missed - even in files that have less than 10 lines.

Renovate PR that reports lowered coverage just caused by the ts-jest update here:

mikro-orm/mikro-orm#3480

[ahnpnl]

We don't do anything with code coverage. It is due to Babel istanbul included in Jest.

[B4nan]

Weird, I had jest already bumped to v29 before, coverage remained correct for that update. This happened only after the ts-jest bump as seen in that PR. I can see in the lock file diff that there was jest-utils still on v28 (as well as on v29), otherwise it was just about updating ts-jest, nothing else.

[unional]

Saw CI gets into infinite loop because of this.

I have to stop them manually.

https://github.com/unional/clibuilder/actions/runs/3021988640
clibuilder/clibuilder#404