A post from the thread I linked before:--
So once the elemental2 generator is open source and supports typescript definition files, you should be able to use everything that https://github.com/DefinitelyTyped/DefinitelyTyped provides (which is what JSweet also uses)
For the time being there is no such generator, you would need to write the bindings yourself. Also the author of jsinterop.xyz has not published its generator (at least not at the time I looked at it).
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