Does it support component testing for specific frameworks?

Absolutely. It offers patterns and best practices for testing components in Vue, React, and Svelte within a Vite environment.

Can this skill help migrate from Jest to Vitest?

Yes, it provides Jest-compatible API patterns and configuration guidance to help transition existing test suites to Vite-native environments seamlessly.

Can I use this for TypeScript projects?

Yes, the skill specifically supports TypeScript integration, including guidance on type testing and configuring tsconfig for Vitest.

How does this skill handle complex mocking?

It includes dedicated reference patterns for using vi.fn, vi.mock, spies, and effectively mocking global timers or dates.

Does it assist with code coverage setup?

Yes, it provides guidance on configuring coverage providers like v8 or istanbul and setting up reporting thresholds within the Vitest ecosystem.

Vitest Testing

Name: Vitest Testing
Author: onmax

byonmax

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498

Security & Testing

Simplifies unit and integration testing for Vite-based projects by providing specialized configuration, Jest-compatible API guidance, and mocking patterns.

About

The Vitest skill empowers Claude to efficiently write, configure, and debug tests for the modern Vite ecosystem. It provides specialized guidance for unit and integration testing, component testing across major frameworks like Vue and React, and advanced mocking of modules and timers. Whether you are setting up code coverage, performing type testing with TypeScript, or optimizing concurrent test runs, this skill ensures Claude applies best practices for a high-performance, Vite-native testing workflow.

Key Features

Seamless implementation of Jest-compatible assertion APIs
Comprehensive Vitest configuration for CLI and workspace projects
498 GitHub stars
Multi-framework support for Vue, React, and Svelte component testing
Optimized setup for JSDOM environments and code coverage reporting
Advanced mocking patterns for modules, timers, dates, and spies

Use Cases

Setting up a robust unit and integration testing suite for a new Vite project
Configuring automated type testing and browser-mode environments
Implementing complex module mocking and spying for legacy code refactoring

About

Key Features

Seamless implementation of Jest-compatible assertion APIs
Comprehensive Vitest configuration for CLI and workspace projects
498 GitHub stars
Multi-framework support for Vue, React, and Svelte component testing
Optimized setup for JSDOM environments and code coverage reporting
Advanced mocking patterns for modules, timers, dates, and spies

Use Cases

Setting up a robust unit and integration testing suite for a new Vite project
Configuring automated type testing and browser-mode environments
Implementing complex module mocking and spying for legacy code refactoring