Class: SorbetBaml::DescriptionExtractor

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/sorbet_baml/description_extractor.rb

Overview

Extracts description parameters from T::Struct prop and const declarations

Class Method Summary collapse

Class Method Details

.extract_prop_descriptions(klass) ⇒ Object 



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# File 'lib/sorbet_baml/description_extractor.rb', line 12

def self.extract_prop_descriptions(klass)
  descriptions = {}

  # Check if this is a T::Struct with props
  return descriptions unless klass.respond_to?(:props)

  begin
    # DSPy >= 0.34 stores descriptions via DSPy::Ext::StructDescriptions#field_descriptions
    if klass.respond_to?(:field_descriptions)
      T.unsafe(klass).field_descriptions.each do |field_name, desc|
        descriptions[field_name.to_s] = desc if desc.is_a?(String)
      end
    end

    # Fall back to the legacy :extra hash for structs that store descriptions there
    if descriptions.empty?
      T.unsafe(klass).props.each do |field_name, prop_info|
        next unless prop_info.is_a?(Hash)

        extra = prop_info[:extra]
        descriptions[field_name.to_s] = extra[:description] if extra.is_a?(Hash) && extra[:description].is_a?(String)
      end
    end
  rescue StandardError
    # Handle any errors gracefully and return empty hash
    return {}
  end

  descriptions
end