{"meta":{"title":"Refactor code","intro":"Discover ways that you can use GitHub Copilot to refactor your code.","product":"GitHub Copilot","breadcrumbs":[{"href":"/en/copilot","title":"GitHub Copilot"},{"href":"/en/copilot/tutorials","title":"Tutorials"},{"href":"/en/copilot/tutorials/copilot-chat-cookbook","title":"GitHub Copilot Chat Cookbook"},{"href":"/en/copilot/tutorials/copilot-chat-cookbook/refactor-code","title":"Refactor code"}],"documentType":"subcategory"},"body":"# Refactor code\n\nDiscover ways that you can use GitHub Copilot to refactor your code.\n\n## Links\n\n* [Improving code readability and maintainability](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/improve-code-readability)\n\n  Copilot Chat can suggest ways to make your code easier to understand and maintain.\n\n* [Fixing lint errors](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/fix-lint-errors)\n\n  Copilot Chat can suggest ways to fix issues identified by a code linter.\n\n* [Refactoring for performance optimization](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/refactor-for-optimization)\n\n  Copilot Chat can suggest ways to speed up slow-running code.\n\n* [Refactoring for environmental sustainability](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/refactor-for-sustainability)\n\n  Copilot Chat can suggest ways to make code more environmentally friendly.\n\n* [Refactoring to implement a design pattern](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/refactor-design-patterns)\n\n  Copilot Chat can suggest design patterns that you can use to improve your code.\n\n* [Refactoring data access layers](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/refactor-data-access-layers)\n\n  Copilot Chat can suggest ways to decouple your data access code from your business logic, making an application easier to maintain and scale.\n\n* [Decoupling business logic from UI components](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/decouple-business-logic)\n\n  Copilot Chat can help you separate your business logic from your user interface code, making it easier to maintain and scale your application.\n\n* [Handling cross-cutting concerns](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/handle-cross-cutting)\n\n  Copilot Chat can help you avoid code that relates to a concern other than the core concern of the method or function in which the code is located.\n\n* [Simplifying complex inheritance hierarchies](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/simplify-inheritance-hierarchies)\n\n  Copilot Chat can help you to refactor code to avoid classes with multiple layers of inheritance.\n\n* [Fixing database deadlocks or data integrity issues](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/fix-database-deadlocks)\n\n  Copilot Chat can help you avoid code that causes slow or blocked database operations, or tables with missing or incorrect data.\n\n* [Translating code to a different programming language](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/translate-code)\n\n  Copilot Chat can help you rewrite code to perform the same operations but in a different programming language."}