ESM only

Breaking changes

• The package is now ESM-only
• The types are no longer exported from the main entrypoint. Instead, they are exported from the /types submodule.
• Slight changes in the wording of error messages (Might be a breaking change, if some part of your codebase relies on exact error message string)

Code Refactoring

• remove validator package and use internal helpers for validation (164fa9b)

Features

• add optionalWhen variant (#4) (9126796)

What's Changed

• Add optionalWhen variant by @RomainLanz in #4

New Contributors

• @RomainLanz made their first contribution in #4

Full Changelog: v1.0.3...v2.0.0