Not working if Jest is installed by pnpm

[KSXGitHub]

Do you want to request a feature or report a bug?

Bug

Steps to reprocedure:

1. Clone this repo
2. Install pnpm (yarn global add pnpm)
3. Run pnpm install to install dependencies
4. Run pnpx jest to run test
5. Delete node_modules
6. Run yarn jest

What is the current behavior?

Step 4 fails but step 6 doesn't.

TypeError: environment.setup is not a function

What is the expected behavior?

Step 4 doesn't fail.

Please provide your exact Jest configuration and mention your Jest, node,
yarn/npm version and operating system.

• Jest Config
• Node.js v9.4.0
• OS: Arch Linux

Related issue: pnpm/pnpm#1007

UPDATE:

jest doesn't work but jest-cli does.

[KSXGitHub]

I just discovered that the test will fail if --preserve-symlinks flag is provided

[SimenB]

Does this still happen with jest 22? I wonder if it's related to #5294. And maybe #5356.

[KSXGitHub]

@SimenB I tried with v22.0.4 and v22.1.4, jest and jest-cli.

jest-cli doesn't always work, it just fails less frequently.

[josh-stevens]

Adding my +1 to this. I've loved Jest for testing both React and Node, but our team recently switched to PNPM. The gains from PNPM are too great to go back. I've tried a few things but nothing seems to be working. Replacing jest with jest-cli had no effect. Installing with --shamefully-flatten didn't work either. Oddly enough I'm not seeing the environment.setup is not a function

The first thing I see is Cannot find module 'jest-environment-jsdom'. Installing that dependency and trying to run jest gives Unexpected token import as soon as my test tries to run. So it looks like jest isn't loading its dependencies correctly to work with pnpm and is tripping up on some babel related stuff.

EDIT: I got it working by adding the transform as seen in the issue creator's Jest config. I'm not sure why that's needed for pnpm but not for regular npm. It still requires me to explicitly add jest-environment-jsdom as a dependency in my project.

[aleclarson]

Possibly related: facebook/metro#231

They both use jest-haste-map.

[chapmanjacobd]

I think this issue can be closed?

pnpm/pnpm#1007

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