Five lines of code. Robert Martin recommends

Each code base has errors and weaknesses that need to be found and fixed. Proper refactoring will make your code elegant, convenient for reading and easy to maintain.
Meet a unique approach that allows you to realize any method in five lines of code. And do not forget about the secret, well known to most Senior developers: sometimes it’s easier to worsen the code and return to its correction later.
"Five lines of code" - this is a fresh view of refactoring for developers of any level. You will learn when to conduct refactoring, how to use patterns, and also learn to determine the signs that say that the code must be deleted

For developers of all levels. The examples use the accessible and understandable Typescript syntax, which allows you to go to any high -level language