vitest

Name: vitest
Availability: InStock
Author: aydadevelop

Run unit tests in Vite projects with a Jest-compatible API.

Updated Aug 23, 2026

Search Tags:#unit tests #typescript #vitest #testing #javascript #vite

Ready to run

npx skills add https://github.com/aydadevelop/turborepo-starter --skill vitest-aydadevelop

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: vitest
Source: https://github.com/aydadevelop/turborepo-starter/tree/main/.agents/skills/vitest
Command: npx skills add https://github.com/aydadevelop/turborepo-starter --skill vitest-aydadevelop

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides a fast and efficient way to write and run unit tests for your Vite-powered projects, ensuring code quality and reliability.

Core Features & Use Cases

Fast Test Execution: Leverages Vite's build pipeline for near-instantaneous test updates and execution.
Jest-Compatible API: Allows seamless migration of existing Jest tests and familiar syntax for new ones.
Comprehensive Tooling: Includes mocking, snapshot testing, code coverage, and type testing capabilities.
Use Case: When developing a new feature, use this Skill to write unit tests that verify the behavior of individual components and functions, catching regressions early.

Quick Start

Use the vitest skill to run all tests in the project.

Frequently Asked Questions about vitest

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

FAQPage Schema

How do I run unit tests for a Vite project?▼

To run unit tests for a Vite project, configure a Vite-native testing framework via `vitest.config.ts` or `vite.config.ts`. It leverages the Vite pipeline for near-instantaneous execution and provides a Jest-compatible API.

What is the best way to migrate Jest tests to a Vite-powered application?▼

Migrating Jest tests to a Vite application is straightforward using a Vite-native framework with a Jest-compatible API. You can transition your existing test suites seamlessly while gaining faster execution through the Vite build pipeline.

Does Vite unit testing support mocking and code coverage?▼

Vite unit testing supports comprehensive tooling including mocking, snapshot testing, code coverage, and type testing. These features ensure thorough verification of individual components and functions within your Vite projects.

Can I use TypeScript for writing unit tests in a Vite environment?▼

Yes, you can write unit tests using TypeScript in a Vite environment. The framework natively supports TypeScript and Vite's pipeline, allowing you to include type testing alongside standard mocking and snapshot capabilities.

Why are my unit tests running slowly in my Vite application?▼

Unit tests run slowly when not using a Vite-native framework. By leveraging a framework built directly on the Vite build pipeline, you achieve near-instantaneous test updates and execution, resolving performance bottlenecks.