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by gr4vityWall 406 days ago
I think 9rx agrees with you. Node.js shines as a web server. It can be made fast at CPU-bound tasks as well, but you wouldn't be writing idiomatic JS/TS.

The recent tsc port from TS to Go is a good example of that. The TypeScript code in the compiler relied a lot on polymorphism, which made it really hard for the JIT to do a good job.

The Go port enabled them to 'rewrite' it keeping the logic more-or-less 1:1 and land a good performance increase. IMO it was a good decision, specially the language choice, and much saner than what a JIT-friendly TS compiler would be.