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@bxff bxff commented Jan 14, 2026

Type

  • Refactor
  • Feature
  • Bug Fix
  • Optimization
  • Documentation Update

Description

This PR fixes an incompatibility with Vitest 4.0 in @effect/vitest.

Vitest 4.0 has removed (or changed) the onTestFinished method on the test context object, causing a TypeError: ctx?.onTestFinished is not a function.

The fix switches to using the top-level onTestFinished hook imported directly from vitest. This is the recommended approach in modern Vitest versions and is fully backward compatible with the current peer dependency (vitest: ^3.2.0), as this export has been available since Vitest 0.34.0.

Additionally, @effect/vitest's peerDependencies have been updated to explicitly support Vitest 4.x.

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@bxff bxff requested a review from mikearnaldi as a code owner January 14, 2026 06:05
@github-project-automation github-project-automation bot moved this to Discussion Ongoing in PR Backlog Jan 14, 2026
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changeset-bot bot commented Jan 14, 2026

🦋 Changeset detected

Latest commit: ecafb0d

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

This PR includes changesets to release 1 package
Name Type
@effect/vitest Patch

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@bxff
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bxff commented Jan 29, 2026

@mikearnaldi friendly bump

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@effect/vitest: Incompatibility with vitest 4.0 - onTestFinished API change

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