vitest
Next-generation testing framework powered by Vite with native ESM, TypeScript support, and Jest-compatible API.
Install
npx skills add https://github.com/antfu/skills --skill vitestStats
| Total installs | 10,256 |
| Weekly installs | 10.2K |
| GitHub stars | 4.4K |
| First seen | Jan 28, 2026 |
| Source | @antfu/skills |
Summary
- Shares Vite's config, transformers, and plugins; supports TypeScript, JSX, and ESM without extra setup
- Smart watch mode reruns only affected tests based on module graph; multi-threaded workers enable parallel execution
- Comprehensive testing utilities: test/describe/expect API, mocking (functions, modules, timers), snapshots, and fixtures
- Built-in code coverage via V8 or Istanbul; test filtering by name, file patterns, and tags
- Advanced features include type-level testing, custom environments (node, jsdom, happy-dom), and multi-project workspaces
Tags
Related skills
| Skill | Installs | vs vitest |
|---|---|---|
| python-testing-patterns | 10,474 | +218 |
| refactor | 11,092 | +836 |
| code-refactoring | 11,859 | +1,603 |
| architecture-patterns | 10,017 | -239 |
| azure-deployment-preflight | 8,083 | -2,173 |
FAQ
- How many installs does vitest have?
- vitest has 10,256 total installs and 10.2K installs this week.
- Where is vitest hosted?
- vitest is published by @antfu/skills at https://github.com/antfu/skills.
- How many GitHub stars does vitest have?
- vitest has 4.4K GitHub stars.
- When was vitest first indexed?
- OrangeBot.AI first indexed vitest on Jan 28, 2026.
- How do I install vitest?
- Run: npx skills add https://github.com/antfu/skills --skill vitest