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Comment by fiyec30375 | Hacker News Reader

Typescript is ubiquitous in web, and there are some amazing new frameworks that reuse typescript types on the server and client (trpc, tanstack). It's faster (than python), has ergonomic types, and a massive community + npm ecosystem. Bun advances the state of the art for runtime performance (which anthropic just bought and use for Claude code).

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Did you just write both:

> The only reason to use it is inertia

and

> Typescript is ubiquitous in web

:-)

Those are both valid reasons to use both languages. The "only" (whether true or not) is what the argument hinges on. It is roughly the same as saying that the only advantage of X is that it is popular, but Y is also popular and has additional advantages, therefore, Y is better than X. That is a valid argument, whether the premises are true or not.

I do not disagree but if you are going to say that "X" is only used because of "Y", maybe if you are pitching "Z" instead of "X" do not start with the "Y" :)

Agree to disagree. He's setting up the argument that Z is strictly better than X.

But it comes from Javascript and inherits its issues, and is used mostly because there is no other option on the web and that makes it popular, not its quality, but lack of options. So a closed ecosystem with just one language - Javascript, and any other languages that can be compiled to it. And Typescript is a bandaid to make sensible type system on top of Javascript, and it still leaves option open to use Javascript lack of rules. Concurrency in JS also looks junky.

And on readability Python also wins (if we prohibit stupidities like PEP 572)

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