backend-vitest

What problem does it solve?

This Skill eliminates slow, cumbersome testing setups by providing a Vite-powered testing framework that's 10-20x faster than Jest, with zero-config TypeScript support and Jest-compatible API for tRPC procedures, Zod schemas, and utilities.

Core Features & Use Cases

• Zero-Config TypeScript: Native ESM support with automatic path alias resolution.
• tRPC Testing: Mock context factories and complete testing patterns for tRPC routers and procedures.
• Use Case: Imagine testing a user management API with tRPC. This Skill provides mock Prisma clients, authentication context simulation, and complete test patterns for success/error cases—making test writing faster and execution instantaneous.

Quick Start

Use the backend-vitest skill to set up testing for a tRPC user router with tests for create, read, update, and delete operations using mocked database calls.