class Sanitize

def initialize(config = {})
  @config = Config.merge(Config::DEFAULT, config)
  @transformers = Array(@config[:transformers]).dup
  # Default transformers always run at the end of the chain, after any custom
  # transformers.
  @transformers << Transformers::CleanElement.new(@config)
  @transformers << Transformers::CleanComment unless @config[:allow_comments]
  if @config[:elements].include?("style")
    scss = Sanitize::CSS.new(config)
    @transformers << Transformers::CSS::CleanElement.new(scss)
  end
  if @config[:attributes].values.any? { |attr| attr.include?("style") }
    scss ||= Sanitize::CSS.new(config)
    @transformers << Transformers::CSS::CleanAttribute.new(scss)
  end
  @transformers << Transformers::CleanDoctype
  @transformers << Transformers::CleanCDATA
  @transformer_config = {config: @config}
end