fix: Export values and all type information

[aaronhuggins-carewell]

Fixes

For CommonJS exports, namespaces and functions can be merged. This allows the compiler to merge the function with value properties instead of manually assigning each one, while also exposing types at the top level of the module export.

Fixes #913

Checklist

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[aaronhuggins-carewell]

I recognize that there are no tests, but actually testing type exports can be difficult and there's no obvious standard. Tell me how you'd like tests for type exports written and I'll happily add them.

Otherwise, from my perspective, assuming all tests pass in CI as they do locally, existing tests should validate the change.

[Hunga1]

Hello @aaronhuggins-carewell. Thanks for making this contribution! Looks good.