Module: RubyLLM::Text::Rewrite

Defined in:
lib/ruby_llm/text/rewrite.rb

Constant Summary collapse

TONES = 
{
  casual: "friendly, informal, and conversational",
  professional: "business-appropriate, formal, and polished",
  academic: "scholarly, formal, and precise",
  creative: "engaging, descriptive, and imaginative",
  brief: "brief, direct, and to-the-point"
}.freeze
STYLES = 
{
  concise: "Make it shorter and more direct while preserving meaning",
  detailed: "Expand with more context, examples, and explanation",
  formal: "Use formal language and professional terminology",
  informal: "Use informal, friendly language"
}.freeze

Class Method Summary collapse

Class Method Details

.build_prompt(text, tone:, style:, instruction:) ⇒ Object 



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# File 'lib/ruby_llm/text/rewrite.rb', line 33

def self.build_prompt(text, tone:, style:, instruction:)
  transformations = []

  if tone
    tone_description = TONES[tone] || tone.to_s
    transformations << "Tone: #{tone_description}"
  end

  if style
    style_description = STYLES[style] || style.to_s
    transformations << "Style: #{style_description}"
  end

  if instruction
    transformations << "Additional instruction: #{instruction}"
  end

  transformation_text = transformations.join("\n")

  <<~PROMPT
    Rewrite the following text according to these requirements:

    #{transformation_text}

    Return only the rewritten text, no explanation or commentary.

    Text:
    #{text}
  PROMPT
end

.call(text, tone: nil, style: nil, instruction: nil, model: nil, **options) ⇒ Object 



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# File 'lib/ruby_llm/text/rewrite.rb', line 19

def self.call(text, tone: nil, style: nil, instruction: nil, model: nil, **options)
  model ||= RubyLLM::Text.config.model_for(:rewrite)

  # Validate that at least one transformation is specified
  if tone.nil? && style.nil? && instruction.nil?
    raise ArgumentError, "Must specify at least one of: tone, style, or instruction"
  end

  prompt = build_prompt(text, tone: tone, style: style, instruction: instruction)
  Base.call_llm(prompt, model: model, **options)
end