class Blueprinter::Generators::BlueprintGenerator

def formatted_fields
  two_indents = indent * 2
  fields_string = fields.each_with_object([]) do |f, memo|
    if memo.last.nil?
      memo << " :#{f},"
    else
      now = "#{memo.last} :#{f},"
      if now.length > options['wrap_at'].to_i
        memo << ":#{f},"
      else
        memo[memo.length - 1] = now
      end
    end
  end.join("\n#{two_indents}")
  fields_string[0, fields_string.length - 1]
end