Using WebAssembly to turn Rust crates into fast TypeScript libraries

Re:Using WebAssembly to turn Rust crates into fast TypeScrip... by chriscbr on Saturday July 01, 2023 @10:41PM (#36557661)

Author here. Yeah, in fairness this post doesn't go into benchmarking (that would be interesting as a follow up). Though I would argue even for libraries that aren't numerically intensive (like the one I used in this blog post), I'd imagine the speeds are probably comparable to the JavaScript runtime if you don't have to boundary cross very often.

In this case, the main thing that was "fast" was that I didn't have to rewrite a nontrivial string formatting library in a new language (I literally couldn't find any other JavaScript libraries that had this kind of error-formatting functionality, so that would have been my only other option). :-)

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Re:Using WebAssembly to turn Rust crates into fast TypeScrip... by danenania on Saturday July 01, 2023 @11:15PM (#36557884)

Cool post! I'm curious how big your wasm file ended up being?

For node, it would be interesting to compare performance, weight, and gotchas of the wasm approach vs. building a shared library with Rust and then pulling it in through node-gyp. Loading wasm is certainly a lot simpler, but multithreading support seems shaky and I imagine there may be some other drawbacks compared compiling into node directly, despite the added complexity.

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