Node.js high performance says: You should not have files bigger than 5 kB

[bryan rasmussen]

So I'm reading the book Node.js high performance on the page where the subject is Seperating your code and it says:

"Again, you should always split your code into smaller parts. Node.js helps you do this in a very easy way. You should not have files bigger than 5 kB. If you have, you better think about splitting it."

Anyway the Again doesn't seem to refer to anything, and the Node.js helps you do this in a very easy way seems especially lackiing but I am still wondering about this stricture of you should not have files bigger than 5 kB, why specifically this size is there anyone that can enlighten me?
If you can enlighten me how does it apply to files that are in some MVC framework - if my controller is bigger than 5 kb what happens?

[Jeremy Darling]

Never heard that before.  Having worked on some very large Node.js projects I can tell you that 5k is no magic number, lots of code bases, libraries, and projects will have source files over 5k.

Really what you have to watch out for is spaghetti code that is easy to accidentally end up with.  Solution, once you have it working, refactor it to ensure readability and reuse.

 - Jeremy

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