vitest

Run Jest-compatible unit tests in Vite projects with native ESM support.

Updated Dec 8, 2025
One-click install
npx skills add https://github.com/sduduzog/.dotfiles --skill vitest-sduduzog
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: vitest
Source: https://github.com/sduduzog/.dotfiles/tree/main/agents/skills/vitest
Command: npx skills add https://github.com/sduduzog/.dotfiles --skill vitest-sduduzog

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Vitest enables fast, reliable unit testing for Vitest-based projects using a Jest-compatible API and native ESM, delivering seamless integration with Vite.

Core Features & Use Cases

  • Jest-compatible API with Vite-native performance for rapid feedback during development
  • Built-in coverage, snapshots, mocking, and fixtures for reliable test suites
  • Watch mode, multi-project setups, and TypeScript/JSX support

Quick Start

Install Vitest in your project and start running tests to see instant, fast feedback.

Frequently Asked Questions about vitest

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I run Vite unit tests with a Jest-compatible API?▼

Vitest provides a Jest-compatible API for Vite unit tests, leveraging native ESM support to deliver fast, reliable feedback during frontend and backend development.

Does Vitest support TypeScript and JSX out of the box?▼

Yes, Vitest supports TypeScript and JSX out of the box. It also includes built-in coverage, snapshots, mocking, and fixtures for managing reliable test suites in modern workflows.

What's the best way to configure coverage and mocking in Vite-based projects?▼

The best way to configure coverage and mocking in Vite-based projects is using Vitest, which offers built-in coverage tools, mocking capabilities, and fixtures for reliable test suite management.

Can I use multi-project setups and watch mode with Vitest?▼

Yes, you can use multi-project setups and watch mode with Vitest. These features allow rapid feedback and seamless integration across various Vite-native frontend and backend workflows.

Why should I choose Vitest over other testing frameworks for Vite projects?▼

You should choose Vitest over other testing frameworks for Vite projects because it uses Vite-native performance, provides a Jest-compatible API, and ensures seamless integration with native ESM support.