What's the state of the art for doing processing in in the browser?

e.g. I have a ~60km GPX file, ~100 points, and I wanna know the nearest distance of each point to the line.
I know exactly how to do this in postgis, or even by hand. I know basic JS. How can I do this in JS on a webpage? (pref. non nodejs)

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I could write a programme to do this, but I can't do _everything_ in rust.

OR CAN I?

@spacekookie I am trying to resist the siren song of finally learning rust & wasm.

@spacekookie OTOH I have been burned by the trainwreck of nodejs/npm packaging, so WHY NOT SOLVE IT PROPERLY! :)

@amapanda "Your scientists were so preoccupied with whether or not they could, they didn’t stop to think if they should."

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