# Refactor

> 基于 Martin Fowler 方法论做系统化重构。Use when users ask to refactor code, improve structure, reduce technical debt, clean up legacy code, or improve maintainability.

- Skill: `lhfer/refactor` (Agent Skill, multi-file: 6 files)
- Install (CLI): `npx skillmds@latest add lhfer/refactor`
- Raw SKILL.md: https://api.skillmd.com/api/skills/lhfer/refactor/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: lhfer (https://skillmd.com/u/lhfer)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/lhfer/refactor

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# Code Refactoring Skill / 重构技能

这个 skill 用于安全、渐进式地做重构，重点强调：

- 外部行为不变
- 小步迭代
- 测试先行
- 每个阶段都可回退

## 工作流概览

1. Research & Analysis
2. Test Coverage Assessment
3. Code Smell Identification
4. Refactoring Plan Creation
5. Incremental Implementation
6. Review & Iteration

## 核心原则

1. **Behavior Preservation**
2. **Small Steps**
3. **Test-Driven**
4. **Continuous**
5. **Collaborative**

## 输出要求

- 先说明问题和目标
- 再给分阶段计划
- 每步都说明风险和验证方式