class Primer::Forms::Caption

def before_render
  return unless @input.caption? && caption_template?
  raise <<~MESSAGE
    Please provide either a caption: argument or caption template for the
    '#{@input.name}' input; both were found.
  MESSAGE
end

def caption_template?
  @input.caption_template?
end

def initialize(input:)
  @input = input
end

def render_caption_template
  @input.render_caption_template
end