Does this skill support TypeScript projects?

Yes, it provides full support for configuring ts-jest and generating jest.config.ts files with proper type safety and tsconfig integration.

Does it include setup for React Testing Library?

Yes, it provides standardized setup files for @testing-library/react, including JSDOM environment configuration and common global mocks like matchMedia.

Can it help with monorepo testing structures?

Absolutely. It includes specialized patterns for multi-project configurations in monorepos using the projects property to manage client, server, and shared packages.

How does it handle CSS or image imports that break tests?

It configures moduleNameMapper with identity-obj-proxy for styles and custom file mocks for assets to prevent imports from failing in Node.js environments.

Jest Configuration Master

Name: Jest Configuration Master
Author: TheBushidoCollective

byTheBushidoCollective

•

Seguridad y Pruebas

Configures and optimizes Jest testing environments for JavaScript and TypeScript projects, including monorepos and advanced module resolution.

This skill empowers Claude to architect and debug robust Jest testing infrastructures, from initial setup to complex multi-project monorepo configurations. It provides expert guidance on mapping module paths, setting up custom test environments, managing coverage thresholds, and implementing specialized transformers. By automating the boilerplate of configuration files like jest.config.js and jest.setup.js, it ensures developers maintain consistent, performant, and reliable testing pipelines while avoiding common pitfalls like uncleaned mocks or misconfigured asset transforms.

Características Principales

0195 GitHub stars

02Custom test environment and global setup configuration for complex testing needs

03Advanced module resolution and path alias mapping for cleaner imports

04Coverage threshold management and performance optimization for CI/CD

05Monorepo and multi-project test orchestration for large-scale applications

06Automated jest.config.js and jest.config.ts generation for JS/TS projects

Casos de Uso

01Debugging 'Module Not Found' errors and configuring asset mocks for CSS and images

02Setting up a new Jest environment in a TypeScript React project with JSDOM

03Migrating a large codebase to a monorepo structure with shared test configurations

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add thebushidocollective/han jest-configuration

For use in Claude.ai and ChatGPT

Download Skill