Christoph Nakazawa

icon indicating a website link http://cpojer.net icon indicating an email [email protected]

icon company Nakazawa Tech icon location Tokyo icon location ceo. game developer. engineering manager. built jest, metro, yarn and mootools.

Results 187 comments of Christoph Nakazawa

[Bug]: toHaveBeenCalledWith matching issue in jest@^30.0.0-alpha.4

Hell yeah!

Mitigate memory leaks in jest-environment-node

Thanks for working on this. I'm happy to help get this over the line now. In terms of the API, can we remove the notion of "shredding"? It's not a...

Mitigate memory leaks in jest-environment-node

Jest 30.0.0-beta.3 was just released, which is better than Jest 29 in every way. The full release will happen in the coming weeks.

fix(jest-runner): Handle unsafe worker_threads `structureClone` with `function` type in matchers

What's the status of this PR? Do we still need this?

fix(jest-runner): Handle unsafe worker_threads `structureClone` with `function` type in matchers

Closing due to inactivity. Happy to reopen (or please send a new PR) if anyone is still working on this.

feat: support beforeEach and beforeAll returning cleanup functions

Why do we need this?

feat(snapshot): support snapshotResolver and snapshotSerializers written in ESM

Could this PR be rebased so we can merge it for Jest 30?

Add `runnerConfig` option to configure runners

I actually had something quite different in mind because `ProjectConfig` is mostly local to the runner. The ideal system would be to have a base ProjectConfig (with a runner option)...

Add `runnerConfig` option to configure runners

The GlobalConfig + ProjectConfig issues were a one time cost that the split brought with it, and I think now (as of Jest 21), the system is working quite smoothly....

feat(runtime): add jest.mockModule

What's the status of this PR?