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I can't agree with this, generally. It depends on the language and the project. > You need a full dev environment to read. I don't. My "full dev environment"

I can't agree with this, generally. It depends on the language and the project. > You need a full dev environment to read. I don't. My "full dev environment" is just vim with stock configuration anyways. I read code on my phone everyday. I read code on GitHub every day. Does GitHub suck for reading code? Absolutely. But it's not impossible, far from it. I mostly read Go, C, various configuration dialects and she'll scripts, occasionally some Java or Python or Rust. Perfectly readable in plaintext. Sure Scala is borderline unreadable without an IDE but for the most part it's fine. I mean, after all, you can read code in a book, can't you?

eyelidlessness 6y ago
My point is that you can’t know the full impact of a code change without the full context of the change. Just a silly, trivial example: someone opens a PR to change a brand color on a website’s theme. You see one line of code changed but the effect is probably far reaching. Now, using only a diff, you have to trust that either the tooling or the human or both have validated every usage under every scenario to identify regressions. Is some placement of that color now too low contrast? Is it too jarring in dark mode? Is it being used for non-brand purposes because someone got lazy, and changing far more than intended? How can you know unless you have the rest of the code base in your head? Do you trust your test coverage?