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Linear code is more readable
(blog.separateconcerns.com)
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this post was submitted on 15 Sep 2023
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Programming
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Left side doesn't look too bad until you realize that most people (including your future self) reading this file later will just be interested in the first 5 lines of the right side. They won't care about all the details of how the pizza was made, and the left side has too big of a scope to quickly glance it and go to the part that matters.
Not to mention reuse of functions and maintainability. Right side every time.
I'd argue you're right until you need to track down a bug in the code. Then, to the author's point, you have to jump back and forth in the code to figure out all the interdependecies between the methods, and whether a method got overridden somewhere? What else calls this method that I might break by fixing the bug? (Keep in mind this example fits on one screen - which is not usually the case.)
all these debugging problems are still better to solve than if all the code was in the same scope like on the left side. It's not worth exchanging possible overriding or data interdependency for a larger scope.