What about adding back just the types and not the implementations, what do you think about that?

I'd prefer to to keep backwards compatibility as much as possible. So keeping everything except the externals using @bs.send.pipe seems fine to me. (Ideally we would reimplement all those functions based on @send like @cristianoc did for other modules, but there is really a lot of them here, so that would be a lot of work. But could still be done if we find a volunteer. 🙂)

Cool!

I'd prefer to to keep backwards compatibility as much as possible. So keeping everything except the externals using @bs.send.pipe seems fine to me. (Ideally we would reimplement all those functions based on @send like @cristianoc did for other modules, but there is really a lot of them here, so that would be a lot of work. But could still be done if we find a volunteer. 🙂)

I kept 100% compatibility, but that requires all that tedious repetitive work from e.g. Js_array.res:

@send
external copyWithinFrom: (t<'a>, ~to_: int, ~from: int) => 'this = "copyWithin"
let copyWithinFrom = (~to_, ~from, obj) => copyWithinFrom(obj, ~to_, ~from)

Copilot and autocomplete help, but it's still tedious.
Not sure it's worth for this.

@cristianoc @zth Ok to proceed with this PR as is?

Go for it!