Code refactoring can be defined as “the process of introducing small and incremental changes to leave the code in a better state than it was.”. When refactoring your code you have to consider two things: no new functionality should be added and the external behavior should not be affected.
One of the biggest challenges as a Ruby on Rails Developer is to keep your code clean, simple and easy to maintain and that is why we are always refactoring our code.
There are several techniques that a developer can follow to improve their code by code refactoring, such as extract method, move method, move field, switch statements, etc. If you are not familiarized with them, please visit the Refactoring Guru site.
Another technique developers try to follow is to apply good design patterns to their code. In this post we'll try to go over some of the documented design patterns and how you can apply them to your Ruby code.
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