serega

https://github.com/andreyruby/serega

Serializes Ruby objects into Hashes, ready for further conversion to JSON or other formats, with a simple DSL for selecting fields and solving N+1 queries through batch loading. Extendable through a Roda/Shrine-style plugin system, with built-in plugins for presenters, formatters, camel_case keys, depth limiting, and more. No runtime dependencies.