layout sidebar title titleTemplate hero features home false Vitest Next Generation testing framework name text tagline image actions Vitest Next Generation Testing Framework A Vite-native testing framework. It's fast! src alt /logo-shadow.svg Vitest theme text link brand Get Started /guide/ theme text link alt Features /guide/features theme text link alt Why Vitest? /guide/why theme text link alt View on GitHub https://github.com/vitest-dev/vitest title icon details Vite Powered <span class="i-logos:vitejs"></span> Reuse Vite's config and plugins - consistent across your app and tests. But it's not required to use Vitest! title icon details Jest Compatible <span class="i-logos:jest"></span> Expect, snapshot, coverage, and more - migrating from Jest is straightforward. title icon details Smart & instant watch mode ⚡ Only rerun the related changes, just like HMR for tests! title icon details ESM, TypeScript, JSX <span class="i-logos:typescript-icon"></span> Out-of-box ESM, TypeScript and JSX support powered by esbuild.