---
title: "Vitest | Next Generation Testing Framework"
url: https://stacklist.com/card/0871e9b7-8594-47a5-a316-cfc06ca661cd
source_url: "https://vitest.dev"
stack: https://stacklist.com/c/technology/stack/23639acd-5044-4e1f-9c83-417668933ee7
summary: "Vitest is a Vite-native unit testing framework designed for fast, lightweight testing with integrated support for modern JavaScript features. It offers Jest compatibility, smart watch mode, and out-of-box support for ESM, TypeScript, and JSX, making it suitable for both Vite apps and backend code."
tags: "vitest, unit-testing, vite, jest-compatible, testing-framework, typescript, esm"
key_entities: "Vitest (technology), Vite (technology), Jest (technology), TypeScript (technology), Oxc (technology), ESM (technology), JSX (technology), Vercel (organization), Chromatic (organization)"
classification: "reference"
content_hash: "sha256:f5e7966f59620ddb7e1651af247e6397693676fd3b445227cf5e5509d194d8bd"
acp_version: "0.2"
token_counts_approximate: 319
visibility: public
agent_accessible: true
status: "final"
---

# Vitest | Next Generation Testing Framework

Are you an LLM? View /llms.txt for optimized Markdown documentation, or /llms-full.txt for full documentation bundle By Next Generation Testing Framework A Vite-native testing framework. It's fast! Get Started View on GitHub Why Vitest The Vite Native Test Runner Learn more Vitest was created to make testing just work for Vite apps. By building on top of Vite, Vitest natively understands your Vite config and is able to reuse the same resolve and transform pipelines. You can also use Vitest even if you are not using Vite. It is Jest-compatible and works for backend code too. Learn more Fast. Lightweight. Integrated. 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 Oxc . See full features list Free & open source Vitest is free and open source, made possible by wonderful sponsors. Become a Sponsor Special Vercel Chromatic Zammad Platinum Sponsors Bolt Latitude Gold vital OOMOL Mailmeteor Liminity Aerius Ventilation