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fix: correctly throw an error if jest-environment-jsdom is missing #12749

merged 4 commits into from Apr 26, 2022


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@SimenB SimenB commented Apr 26, 2022


WIthout this, we return the jsdom module if it's installed, resulting in a TypeError: TestEnvironment is not a constructor.


Test plan

Tested manually in a reproduction. Hard to test in this repo due to jest-environment-jsdom being present

packages/jest-resolve/src/utils.ts Outdated Show resolved Hide resolved
Co-authored-by: Michał Pierzchała <> Outdated Show resolved Hide resolved
@SimenB SimenB merged commit ffda59f into facebook:main Apr 26, 2022
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@SimenB SimenB deleted the jsdom-resolve-error branch Apr 26, 2022
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SimenB commented Apr 26, 2022

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3 participants