If you mean libasciidoc for Go, it does not support all the AsciiDoc features [1]. The JS parser is transpiled [2] from the Ruby implementation (which is not a bad thing, it's just something most languages can't have).

My favourites are Rust and Haskell. Neither of them had a parcer until recently (even though the original implementation has been around for a few years now). Both are at early development stages at the moment.

[1]: https://github.com/bytesparadise/libasciidoc/blob/master/LIM...

[2]: https://asciidoctor.org/docs/asciidoctor.js/