We do with Typescript what a lot of people do with Python. Handle most things with Typescript and then contract off the really compute heavy parts to C\C++ (slowly moving to Rust). I’ve worked extensively with both Python and JavaScript and while we use Typescript because it’s much easier to setup an environment where your code is protected from you than it is with JavaScript you can actually do the same with JSDoc. I want to love Python, hell I do love Python, but I just love JavaScript a lot more.

I think the key difference is that it’s hard to setup good governance for JavaScript. You’re going to need a fascist linter that is actually enforced, and you’re going to need a tight grip on your developers to force them to really, really, think about their dependencies, but once you have that it’s quite honestly the best language I can think off. The ability to use isolated functions instead of putting them into “classes” is just such a great way to do a solid mix of functional OOP programming, which is obviously heresy to hardliners of either, but it’s just so magical when you do it right.

I think Python is getting there, it was such a great language for such a long time that it sort of forgot to improve. But now it has copied the NPM/Yarn package handler, and hopefully it’ll soon be possible to actually do a Typescript sort of Python, so maybe it’ll be able to win me back. Or to be fair, I think it’s a great language until you have to work together. It’s just so hard to get the codebase governance up with Python that it only really becomes worth it in ML shops where your developers want to work with Python. I’m not sure how Instagram managed, and there are certainly the projects that fit into the Django box which absolutely should be put into the Django box, but the only general purpose language to me personally is currently JavaScript.

Part of that is because we need initiatives like this one. We need “React” in Python or Rust or whatever if we want small dev teams in non-tech enterprise to be able to work with other languages than Typescript. Yes I know we have some C++, and a little Rust, but unlike the rest of our many different projects I’m the only one who can maintain them. Which is actually the primary reason we work with JavaScript, because if we don’t, then the React developer won’t ever be able to go on a vacation. :p It helps that JavaScript has become such a great language, and it likely has exactly because the React dev wants to go on vacation in a trillion IT departments. But I’m all for Python having this React Python so ML heavy shops don’t need that React dev.

But to say JavaScript is atrocious is sort of silly to me and I’m not sure you would have that opinion if you gave it a real chance.