consider adding support for module-sync export condition

[ericallam]

nodejs/node#54648

[isaacs]

So, it looks like, it should point to the ESM version, but that's only safe to do if it doesn't use top level await? Are there other conditions, or a link to the node docs that describe when it's ok to use?

[ericallam]

No Node.js docs out yet, and yes I think you have that correct. It's possible the solution for tshy would just be an option in the tshy config to enable outputting the module-sync export condition, leaving it up to the user to decide.

[isaacs]

I wonder if we could detect it somehow by parsing the built code? It'd be nice to not have this need to be opt-in.