Wrong hint about --dry-run

[lazarljubenovic]

Documentation issue

• Reporting a typo
• Reporting a documentation bug
• Documentation improvement
• Documentation feedback

Is there a specific documentation page you are reporting?

https://nx.dev/packages/jest#adding-jest-to-an-existing-project

Additional context or description

Near the end of the Adding Jest to an Existing Project section, there's a hint telling the reader to use the --dry-run flag to see what will be generated.

When I run the command with this flag, however, I get the following error:

This generator does not support --dry-run. If you are running this in Nx Console, it should execute fine once you hit the "Run" button.

[lazarljubenovic]

Then it doesn't really "execute fine" as promised, either 😄

Cannot set properties of undefined (setting 'test')

TypeError: Cannot set properties of undefined (setting 'test')
    at updateWorkspace (/.../node_modules/@nx/jest/src/generators/jest-project/lib/update-workspace.js:8:32)
    at /.../node_modules/@nx/jest/src/generators/jest-project/jest-project.js:46:48
    at Generator.next (<anonymous>)
    at fulfilled (/.../node_modules/tslib/tslib.js:164:62)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)

[AgentEnder]

Does the existing project have a project.json file? If so, is there a targets option inside it?

[lazarljubenovic]

Nope, it's a relatively new package-based project.

[AgentEnder]

The generators provided by the various plugins only really support integrated projects.

[lazarljubenovic]

The least it should do then is to report an error like “Expected a project.json file to exist” then.

[github-actions]

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