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I know what's TypeScript - just not getting why would you want to use it

Want to use it as opposed to what?

If you can't understand why people would want to use typescript instead of javascript then you're not trying very hard. And a lot of people are in situations where they need to use one of those.

why should I be tryharding to buy into something myself? just means product/marketing sucks

You should be trying to understand, not trying to buy in.

It's really obvious why, even if you personally get no value from types.

no, it is not obvious. costs way too much

In a complex codebase, it’s very helpful! It’s either TS or jsdoc. They are lifesavers sometimes.

Knowing what expects what and what you should expect in return. It helps you catch those minor bugs.

means you never had control over your code to begin with. adding complexity on top of complexity is not an answer

Well, sometimes you happen to be apart of ≈10 year old codebases with lots of people who've been working on it and is no longer there.

At that scale, TS is a godsend!

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