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vitest

Run unit tests for Vite-powered JavaScript and TypeScript projects.

Updated Jan 22, 2026
Search Tags:#unit tests#typescript#vitest#testing#javascript#vite
One-click install
npx skills add https://github.com/cooker/wx-mp-article --skill vitest-cooker
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: vitest
Source: https://github.com/cooker/wx-mp-article/tree/main/.cursor/skills/vitest
Command: npx skills add https://github.com/cooker/wx-mp-article --skill vitest-cooker

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides a rapid and efficient way to write and run unit tests for Vite-powered projects, significantly speeding up the development feedback loop.

Core Features & Use Cases

  • Fast Test Execution: Leverages Vite's build pipeline for near-instantaneous test startup and updates.
  • Jest-Compatible API: Allows developers to use familiar testing syntax (describe, it, expect) with enhanced features.
  • Comprehensive Tooling: Includes mocking, snapshot testing, code coverage, and type checking capabilities.
  • Use Case: When developing a new feature, use Vitest to write unit tests for individual components and utility functions, ensuring they behave as expected before integrating them into the larger application.

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-powered JavaScript or TypeScript project?▼

You can run unit tests for a Vite-powered project using a Vite-native testing framework that leverages Vite's build pipeline for near-instantaneous test startup and updates. It provides a Jest-compatible API to execute tests efficiently.

Can I use Jest-compatible syntax for TypeScript unit testing in Vite?▼

Yes, you can use Jest-compatible syntax such as describe, it, and expect for TypeScript unit testing in Vite. The framework supports JavaScript and TypeScript projects natively, allowing developers to use familiar testing syntax.

What is the best way to speed up test execution feedback loops during development?▼

The best way to speed up test execution feedback loops is to use a Vite-native unit testing framework. It leverages Vite's build pipeline to provide fast test execution and near-instantaneous updates, significantly accelerating development.

Does Vite unit testing support mocking and code coverage out of the box?▼

Yes, Vite unit testing supports mocking and code coverage out of the box. The framework provides comprehensive tooling that includes mocking, snapshot testing, code coverage, and type checking capabilities within Vite-powered environments.

Do I need Vite installed to run unit tests with this framework?▼

Yes, you need a Vite-powered development environment to run unit tests with this framework. It is designed to be Vite-native, leveraging Vite's build pipeline to facilitate efficient test execution and type checking.

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