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Migrating unit tests from Jest to Vitest v1.0.0

Use this resource to migrate a package's unit tests from Jest to Vitest

New

  • 583 downloads
  • 100 likes
  • 157 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install jest-to-vitest-migration

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent surveys the package, writes its Vitest configuration, wires up the shared setup, converts the specs, then handles semantic gaps and snapshots by hand. You get a Vitest configuration and the list of manual fixes.

Mostly picked by

Updated November 2, 2026

Card for the “Migrating unit tests from Jest to Vitest” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: survey, configuration and spec conversion steps
  • SKILL.md: semantic fixes, snapshots and final verification

Good fit for

  • You want to move a package off Jest without rewriting its tests
  • Snapshots change after the switch to Vitest

Not for

    Tags

    • vitest
    • jest
    • migration
    • tests
    • configuration

    About

    You say

    “Migrate the unit tests of the parser package from Jest to Vitest, reusing the shared setup.”

    Card for the “Migrating unit tests from Jest to Vitest” skill

    Skill published by nrwl under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to migrate a package's unit tests from Jest to Vitest
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md29.3 KB

    Origin and licence

    Listed unmodified

    Author
    nrwl
    Source
    github.com/nrwl/nx/tree/756633869447a37e06bd4cbeb8ea81c49c4a1dce/.claude/skills/vitest-migration
    Licence
    MIT

    Notice

    « vitest-migration » (nrwl, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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