fix(jest-resolve): disable jest-pnp-resolver for Yarn 2
#10847
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jeysal
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Nov 19, 2020
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Yay! 🎉 The PnP integration test fails on CI, tho. Also, can you remove https://github.com/facebook/jest/blob/a66eec74b55dc98ab072be330c13c54c35cba5f7/packages/jest-resolve/src/defaultResolver.ts#L26-L33? |
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I can't actually remove the plugin as that would be a breaking change for Yarn 1 PnP users, so instead I disabled it for Yarn 2. I updated the test and it passes locally so lets hope the CI agrees |
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👍 We could consider dropping v1 support in a future major |
SimenB
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Nov 20, 2020
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This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs. |
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Summary
In #9520
jest-resolvewas switched to useresolvewhich, because Yarn 2 patches it, supports PnP. This makesjest-pnp-resolverunnecessary but it can't be removed as that would be a breaking change for Yarn 1 PnP users but it can be disabled for Yarn 2.Main reason for doing this is that
jest-pnp-resolverdoesn't support projects where there are multiplepnpapiinstances but the patch inresolvedoes.Test plan
Tests should still pass