Vitest Testing Framework

Collaborating skills

• TDD: skill: tdd for test-driven development workflow using Vitest
• Refactor: skill: refactor for improving code with Vitest test coverage
• TypeScript: skill: typescript for TypeScript-specific testing patterns and type testing

Vitest is a next-generation testing framework powered by Vite, offering fast tests with native ESM, TypeScript, and JSX support. This skill covers unit testing, component testing, and browser/E2E testing with progressive disclosure.

Quick Reference

Installation

npm install -D vitest
# For browser/E2E testing
npx vitest init browser