Code Refactoring Guide

Get a step-by-step refactoring plan for messy code

advanced

codingrefactoringclean-codepatterns

Prompt Template

Refactor this {language} code to improve {goal}:

```{language}
{code}
```

Provide:
1. Analysis of current issues
2. Refactoring strategy (approach and order)
3. Step-by-step changes with before/after
4. Explanation of design patterns applied
5. Final refactored version
6. Tests to verify behavior is preserved

Variables

{language}

Example: TypeScript

{goal}

Example: readability and maintainability

{code}

Example: // messy 200-line function...

Example Output

## Analysis
1. **God function**: Single function handling validation, processing, and formatting
2. **Repeated logic**: Similar null checks appear 4 times...

Tips

Explain what the code does (not just the code)
Mention if there are tests you need to keep passing

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