What are the best practices for refactoring code?

What are the best practices for refactoring code?

Refactoring code involves improving its structure without changing its behavior. Key practices include: 1. Keep it simple. 2. Write tests before refactoring. 3. Refactor in small steps. 4. Use meaningful names for variables and functions. 5. Eliminate duplicate code.

Can you explain why writing tests before refactoring is important?

Writing tests before refactoring ensures that you have a safety net. It helps confirm that the code's functionality remains intact after changes.

What tools can assist in the refactoring process?

Tools like IDEs with refactoring support (e.g., IntelliJ, Visual Studio), linters, and static analysis tools can help identify areas for improvement.

How often should I refactor my code?

Refactor your code regularly, especially when adding new features or fixing bugs. Aim for continuous improvement.

Are there any common pitfalls to avoid during refactoring?

Yes, common pitfalls include refactoring too much at once, neglecting to run tests, and not having a clear plan. Always refactor with a purpose.