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> Otherwise, changing your coding style and not using explicit features of a language that are hard to find in other languages seems counter-productive

As with most optimization suggestions, I take these to be intended as a remedy when you're actually running into problems, not something to be done eagerly. I've never run into significant cross-project TypeScript performance issues personally, but I have heard of that happening to some people.




It does explicitly say this at the top:

> The earlier on these practices are adopted, the better.


Technically, yes, but we don't expect most users to stumble onto this page unless they're already hitting perf issues.


Haha, good thing it's on HN now then :P


Hum. I missed that. That does seem unideal.




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