Skill UI

Generates Vitest tests in JavaScript/TypeScript with Vite-native speed. Covers Jest-compatible APIs, vi.mock mocking, spies, fake timers, snapshots, React component tests, in-source testing, and vitest.config setup.

A comprehensive guide covering the entire lifecycle of building VS Code extensions, from initial scaffolding to successful Marketplace publication. Learn best practices for Webviews, TreeViews, testing, packaging, and troubleshooting, ensuring compatibility with the latest APIs.