Vitest
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Testing framework offering seamless Vite integration, Jest compatibility with expect and snapshot, and instant watch mode. Supports ESM, TypeScript, and JSX with esbuild.
Features
- Ad-free
- Support for Typescript
Vitest News & Activities
Highlights All activities
Recent News
- Fla published news article about Vite
VoidZero joins Cloudflare, Vite and tools remain open sourceVoidZero, the company behind Vite, Vitest, Rolldown, Oxc, and Vite+, is joining Cloudflare with its...
- Fla published news article about IntelliJ IDEA
IntelliJ IDEA 2025.3: unified distribution, Spring debugger enhancements & AI integrationIntelliJ IDEA 2025.3 introduces unified distribution, command completion, and improvements to the S...
- Fla published news article about Angular
Angular v21 brings experimental Signal Forms, Aria preview, and Vitest supportAngular v21 introduces experimental Signal Forms, allowing developers to create scalable and reacti...
Recent activities
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What is Vitest?
Next generation testing framework powered by 
Vite.
- Vite Powered: Reuse Vite's config and plugins - consistent across your app and tests. But it's not required to use Vitest!
- Jest Compatible: Expect, snapshot, coverage, and more - migrating from Jest is straightforward.
- Smart & instant watch mode: Only rerun the related changes, just like HMR for tests!
- ESM, TypeScript, JSX: Out-of-box ESM, TypeScript and JSX support powered by esbuild.
Vitest information
Developed by
Anthony Fu, Matías Capeletto and Vitest contributorsLicensing
Open Source (MIT) and Free product.Written in
Alternatives
14 alternatives listedNews
7 news article related to VitestSupported Languages
- English
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DevelopmentGitHub repository
- 16,417 Stars
- 1,732 Forks
- 389 Open Issues
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