Vite Powered
Reuse Vite's config, transformers, resolvers, and plugins - consistent across your app and tests.
This documentation covers pre-stable Vitest v0 (old version). For the latest version, see https://vitest.dev.
Blazing Fast Unit Test Framework
A Vite-native unit test framework. It's fast!
Reuse Vite's config, transformers, resolvers, and plugins - consistent across your app and tests.
Expect, snapshot, coverage, and more - migrating from Jest is straightforward.
Only rerun the related changes, just like HMR for tests!
Out-of-box ESM, TypeScript and JSX support powered by esbuild