Does it support specific frameworks like Express or Fastify?

Yes, it provides universal architectural patterns such as layered structures (API, Services, Repositories) that are highly effective across all major Node.js frameworks.

How does this improve the testability of my code?

By advocating for a 'Pure Core' approach, it helps you isolate business logic from I/O side effects, making it significantly easier to write deterministic unit tests.

How does this skill handle TypeScript-specific features?

It leverages TypeScript's advanced type system to implement robust error handling and clear interfaces, replacing 'magic numbers' and 'any' types with meaningful constants and typed results.

Can it help me break down complex, nested logic?

Absolutely. The skill specializes in simplifying conditionals using early returns and extracting shared logic to ensure functions remain single-purpose and readable.

Node.js Clean Code Architect

Name: Node.js Clean Code Architect
Author: DoubleslashSE

byDoubleslashSE

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Developer Tools

Enforces industry-standard clean code principles and functional architectural patterns for TypeScript and Node.js development.

This skill transforms Claude into a senior software architect specializing in TypeScript and Node.js. It provides specific guidance on implementing core engineering principles like DRY, KISS, and YAGNI to eliminate technical debt and improve maintainability. By advocating for a 'Pure Core, Impure Shell' architecture and robust, typed error handling, this skill ensures that your backend services are not only functional but also scalable and highly testable through standardized code organization and naming conventions.

Key Features

01Enforces DRY, KISS, and YAGNI principles within TypeScript contexts

02Optimizes project organization using layered structure best practices

03Provides standardized TypeScript naming and function design patterns

04Implements Pure Core and Impure Shell architectural patterns

051 GitHub stars

06Guides the implementation of robust, context-aware typed error handling

Use Cases

01Establishing high-quality coding standards for new backend service development

02Refactoring legacy JavaScript or Node.js logic into modern, type-safe TypeScript

03Performing automated code reviews to identify violations of clean code principles

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add doubleslashse/claude-marketplace clean-code

For use in Claude.ai and ChatGPT

Download Skill