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fix(dev): don't use "module" server conditions in Vitest #13870

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remorses
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Fix #13869

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changeset-bot bot commented Jun 24, 2025

🦋 Changeset detected

Latest commit: 86c6173

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 11 packages
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@react-router/dev Patch
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@react-router/architect Patch
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Another solution would be to only add the "node" condition and do not use the defaultServerConditions variable

The default Vite ssr config does not seem to use defaultServerConditions: https://github.com/vitejs/vite/blob/ec067671d019023109f974310a9cd974a4091251/packages/vite/src/node/ssr/runnerImport.ts#L36

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Andarist commented Jun 24, 2025

@remorses I see we have opened somewhat similar PRs at almost the same time. Mine can be seen here: #13871 . Note that the fallout of misapplying those conditions is bigger and not unique to Vitest - my PR addresses the whole problem by "reusing" the correct defaults.

EDIT:// Actually, I might have jumped the gun here. You'd have to check if my PR solves your Vitest problem because it might not - it depends on the actual root cause of that problem. It might overlap with mine but maybe it doesn't.

@remorses
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Hey, I already tried your PR but it did not fix the issue, module needs to be removed from the conditions field too

@MichaelDeBoey MichaelDeBoey changed the title Do not add condition "module" in Vitest environment fix(dev): don't use "module" server conditions in Vite Jun 25, 2025
@MichaelDeBoey MichaelDeBoey changed the title fix(dev): don't use "module" server conditions in Vite fix(dev): don't use "module" server conditions in Vitest Jun 25, 2025
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This PR fixes a problem that already 106 people had to debug and find by themselves (which takes a lot of time)

https://github.com/search?q=%21process.env.VITEST+%26%26+reactRouter%28%29%2C+path%3Avite.config*&type=code

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