What is 'Feature Envy' and can this skill fix it?

Feature Envy occurs when a method uses another object's data more than its own. This skill helps identify these instances and move the logic to the appropriate class.

Can it handle deeply nested 'arrow code'?

Absolutely, it specializes in converting deeply nested if-statements into clean guard clauses and early returns to improve readability.

Does this skill change my code's external behavior?

No, the skill follows the strict definition of refactoring: improving the internal structure of existing code without changing its external behavior.

Do I need tests to use this skill effectively?

Yes, the skill emphasizes a 'red-green-refactor' cycle and strongly recommends having test coverage before starting any structural changes.

How does it ensure the refactoring process is safe?

It follows a 5-step safe refactoring process: ensuring tests exist, making small changes, running tests after every change, frequent commits, and diff reviews.

Code Refactoring Master

Name: Code Refactoring Master
Author: plurigrid

byplurigrid

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Herramientas para Desarrolladores

Improves code quality and maintainability by identifying architectural smells and applying industry-standard refactoring patterns.

This skill equips Claude with advanced refactoring patterns and a disciplined process for eliminating technical debt without altering external behavior. It provides structured guidance on identifying common code smells such as primitive obsession, feature envy, and deeply nested conditionals. By implementing specific techniques like method extraction, polymorphic replacement of logic, and parameter object introduction, it helps transform legacy code into a clean, testable, and extensible codebase. The skill follows a safe, test-driven refactoring workflow to ensure structural improvements never compromise system stability.

Características Principales

012 GitHub stars

02Implements advanced patterns such as Replacing Conditionals with Polymorphism

03Automates the transformation of primitives into robust Value Objects

04Identifies and resolves common code smells like 'Arrow Code' and Long Methods

05Provides a safe, step-by-step refactoring checklist to prevent regressions

06Integrates topological and scientific principles for complex structural analysis

Casos de Uso

01Preparing a legacy codebase for new feature implementation by making changes easy

02Restructuring monolithic functions into small, focused, and reusable methods

03Simplifying complex nested logic into readable guard clauses and early returns

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add plurigrid/asi code-refactoring

For use in Claude.ai and ChatGPT

Download Skill