vitest

Run unit tests for JavaScript projects using Vite and Jest-compatible APIs.

Updated Mar 7, 2026
One-click install
npx skills add https://github.com/dang0705/planting --skill vitest-dang0705
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: vitest
Source: https://github.com/dang0705/planting/tree/main/.agents/skills/vitest
Command: npx skills add https://github.com/dang0705/planting --skill vitest-dang0705

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires vitest, jest, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides a fast and efficient unit testing framework for JavaScript applications, solving the challenge of writing and running tests effectively.

Core Features & Use Cases

  • Fast Test Execution: Utilizes Vite's transformation pipeline for near-instant test updates.
  • Jest Compatibility: Offers a Jest-compatible API for seamless integration with existing Jest test suites.
  • ESM and TypeScript Support: Supports modern JavaScript features like ESM and TypeScript out of the box.
  • Use Case: For a developer looking to add fast and reliable unit tests to their Vite project, this Skill will automate the setup and provide a robust testing environment.

Quick Start

Use the vitest skill to run all tests in your project with the command 'vitest'.

Frequently Asked Questions about vitest

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

FAQPage Schema
How do I run unit testing for a Vite project using a Jest-compatible API?

You can execute unit testing for a Vite project using a Jest-compatible API by running the 'vitest' command. It leverages Vite's transformation pipeline to provide fast test execution for modern JavaScript applications.

Does unit testing with Vite support ESM and TypeScript out of the box?

Unit testing with Vite supports ESM and TypeScript out of the box. It is specifically designed for modern JavaScript projects, allowing you to write and execute tests for ESM and TypeScript applications without additional configuration.

Can I migrate my existing Jest test suites to Vite for faster execution?

You can migrate existing Jest test suites to Vite for faster execution. The framework offers a Jest-compatible API that allows seamless integration with your current tests while utilizing Vite's near-instant transformation pipeline.

What dependencies do I need to set up JavaScript unit testing with Vite?

To set up JavaScript unit testing with Vite, you need both Vite and Jest installed in your project. These dependencies are required to leverage the fast test execution and Jest-compatible API provided by the testing framework.

Why use Vite for JavaScript unit testing instead of traditional Jest?

Using Vite for JavaScript unit testing provides near-instant test updates through its transformation pipeline. Unlike traditional Jest, it natively supports ESM and TypeScript while maintaining a Jest-compatible API for ease of use.

How does Vite's transformation pipeline improve test execution speed?

Vite's transformation pipeline improves test execution speed by enabling near-instant test updates. This approach leverages Vite's native transformation capabilities to process tests faster than traditional JavaScript testing frameworks.