Does this skill change the functionality of my code?

No, the Refactor Helper strictly follows the core principle of refactoring: improving internal structure without changing external behavior.

Can it help with legacy code modernization?

Yes, it is specifically designed to handle 'modernize' triggers, updating old syntax to contemporary standards while simplifying legacy logic.

Is it safe for large codebases?

Yes, because it emphasizes small, focused commits and constant verification, making it suitable for managing large-scale architectural improvements.

How does it ensure the code still works after changes?

The skill follows a strict workflow of running tests before and after every incremental change to verify that functionality remains intact.

What refactoring patterns does it support?

It supports a wide range of patterns including Extract Function, Replacing Conditionals with Polymorphism, and simplifying complex boolean expressions.

Code Refactor Helper

Name: Code Refactor Helper
Author: ShunsukeHayashi

byShunsukeHayashi

•

开发者工具

Systematically refactors code to enhance maintainability, performance, and structural integrity without changing external behavior.

The Refactor Helper skill provides a structured framework for Claude to perform safe, incremental code improvements. By following core refactoring principles like 'Make Small Changes' and 'Ensure Tests Pass,' it helps developers modernize legacy code, eliminate code smells, and implement proven design patterns such as Extract Function or Polymorphism. It integrates seamlessly with existing test suites and command-line tools to ensure that structural upgrades never compromise application stability or logic.

主要功能

01Automated identification and resolution of common code smells

02Legacy code modernization and syntax updates

03Systematic implementation of patterns like Extract Function and Polymorphism

047 GitHub stars

05Integrated verification workflow using local test suites and linters

06Dead code detection and removal to reduce technical debt

使用场景

01Modernizing legacy JavaScript or TypeScript projects with clean, modern syntax

02Breaking down complex 'God functions' into modular, testable units

03Simplifying convoluted conditional logic to improve readability and performance

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add shunsukehayashi/miyabi refactor-helper

For use in Claude.ai and ChatGPT

Download Skill