Also depends on the codebase. 300 lines is nothing in some boilerplate-heavy codebases I've worked at. After seeing the same patterns for the hundredth time,

Also depends on the codebase. 300 lines is nothing in some boilerplate-heavy codebases I've worked at. After seeing the same patterns for the hundredth time, it's easy to detect deviations. Not to mention linters and typing helps a lot too. Not a fan of those but oh well.