vitest

Installation
SKILL.md

Key benefits of Vitest over Jest:

  • 2-10x faster test startup (built on Vite and esbuild)
  • Native TypeScript support without ts-jest
  • Hot Module Replacement for instant re-runs
  • Jest-compatible API requiring minimal code changes
  • Modern ESM-first architecture

<quick_start> <automated_migration> RECOMMENDED APPROACH: Use automated codemods for fastest migration.

Option 1: vitest-codemod (recommended)

Installs
21
GitHub Stars
12
First Seen
Jan 24, 2026
vitest — el-feo/ai-context