Refactor for Readability Prompt
Refactor messy code to improve clarity while preserving behavior and tests.
Refactor the following code to improve readability and maintainability without changing its behavior. Current code: ```[language] [paste code] ``` Focus on: - Meaningful variable and function names - Reducing nesting and duplication - Extracting helper functions where useful - Adding early returns - Improving error handling Return the refactored code plus a short explanation of the main changes.
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How to use this prompt
Paste the smallest relevant code block. Review, test, and lint any generated code before merging; models can hallucinate APIs.
- Copy the full prompt above.
- Replace the bracketed placeholders with your own details.
- Paste it into chatgpt, claude, gemini (or your preferred AI tool).
- Iterate on the output: add constraints, ask follow-ups, or combine multiple results.
Why this prompt works
It gives the AI a clear role, specific inputs, and an output format. That structure reduces vague responses and gives you a draft you can refine in minutes instead of hours.
Foire aux questions
How do I ensure behavior is preserved?
Run existing tests before and after, and add tests for edge cases if they don't exist.
Should I refactor and add features at the same time?
No. Refactor first, then add features to keep changes easy to review.
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