You can use parsexp [1], which implements the same parser as sexplib
and works well in javascript.

[1] https://github.com/janestreet/parsexp

On Wed, Jul 26, 2017 at 9:38 AM, Philippe Veber
<philippe.veber@gmail.com> wrote:
> Dear all,
>
> I recently noticed that sexplib parser fails with a "Too much recursion"
> exception when run in the browser on a very moderately sized string
> representation of an S-exp. I understand this is due to the absence of tail
> call optimization (although js_of_ocaml performs it in the case of a single
> recursive function). With this idea in mind, I suppose there is no simple
> workaround, so I wanted to ask if anyone knew a convenient replacement for
> serialization/deserialization that would work in the browser.
>
> Cheers,
> Philippe.

--
Jeremie