What does the TypeScript Expert skill do?

It provides advanced guidance on TypeScript architecture, complex type debugging, and build system optimization, acting as a high-level consultant for your codebase.

Can it debug ESM and CJS compatibility issues?

Yes, it specializes in module resolution mysteries, runtime path mapping, and configuring modern ESM-first environments.

Can this skill help with JavaScript to TypeScript migration?

Yes, it includes specialized strategies, configuration patterns, and automated helpers for incremental and safe JS-to-TS conversion.

How does it improve build performance?

It utilizes extended diagnostics to identify slow type-checking and recommends specific tsconfig optimizations like skipLibCheck, incremental builds, and type-checking isolation.

Does it support monorepo tools like Nx or Turborepo?

Absolutely. It offers a decision matrix for choosing between Nx and Turborepo and provides specific configuration patterns for project references and caching.

TypeScript Expert

Name: TypeScript Expert
Author: claudiodearaujo

byclaudiodearaujo

•

Developer Tools

Master complex TypeScript architectures, type-level programming, and performance optimization for modern JavaScript environments.

The TypeScript Expert skill transforms Claude into a high-level software architect capable of handling advanced type gymnastics, large-scale monorepo management, and deep performance profiling. It provides proactive guidance on migration strategies from JavaScript to TypeScript, ESM/CJS interop, and the implementation of domain-driven design using branded types. Whether you are debugging recursive type errors or optimizing build pipelines with Nx or Turborepo, this skill ensures your codebase remains type-safe, maintainable, and highly performant.

Key Features

01Monorepo orchestration using Nx, Turborepo, and TypeScript project references

02Advanced type-level programming including branded types and conditional logic

03Integration support for modern tooling like Biome, Vitest, and ESLint

041 GitHub stars

05Automated migration strategies for JS-to-TS and CJS-to-ESM transitions

06Performance diagnostics for slow type-checking and compiler-level bottlenecks

Use Cases

01Architecting scalable monorepo structures for enterprise-grade applications

02Optimizing CI/CD pipelines by identifying and fixing slow TypeScript build processes

03Resolving complex 'Type instantiation is excessively deep' or circular dependency errors

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add claudiodearaujo/sistema-de-narra-o-de-livro typescript-expert

For use in Claude.ai and ChatGPT

Download Skill