vitest

SKILL.md

For test philosophy (behavior vs implementation, TDD workflow, when to mock), see /testing-philosophy.

| forks | Node 22+, default choice | - | | threads | Node <22, CPU-bound tests | Node 22+ (native fetch issues) | | vmThreads | Need isolation + speed | Memory-constrained CI |

Vitest configuration best practices for pools, performance, coverage, and mocking. Use when: auditing vitest.config.ts, optimizing CI, debugging test failures, configuring coverage, troubleshooting mocking, upgrading to Node 22+. Source: phrazzld/claude-config.

Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/phrazzld/claude-config --skill vitest Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code or Cursor

View raw