gistfile1.rb

class Middleman::SplitterExtendion < ::Middleman::Extension
  option :split_count, 2, 'How many files to split into'
  option :split_files, nil, 'Which files to split'

  register :splitter

  def initialize(app, options_hash={}, &block)
    super

    require 'css_splitter/splitter'
  end

  helpers do
    def split_stylesheet_link_tag(*sources)
      options = sources.extract_options!
      split_count = extensions[:splitter].options[:split_count]

      sources.map do |source|
        split_sources = (2..split_count).map { |index| "#{source}_split#{index}" }
        split_sources << options

        [
          stylesheet_link_tag(source, options),
          "<!--[if lte IE 9]>",
          stylesheet_link_tag(*split_sources),
          "<![endif]-->"
        ]
      end.flatten.join("\n").html_safe
    end
  end

  def split_file_paths
    options[:split_files].inject({}) do |sum, name|
      source = "stylesheets/#{name}"
      sum["#{source}.css"] = (2..options[:split_count]).map { |index| "#{source}_split#{index}.css" }
      sum
    end
  end

  def manipulate_resource_list(resources)
    resources + split_file_paths.inject([]) do |sum, (path, outputs)|
      sum + outputs.map do |output|
        SplitResource.new(
          @app.sitemap,
          output,
          path
        )
      end
    end
  end

  class SplitResource < ::Middleman::Sitemap::Resource
    attr_accessor :output

    def initialize(store, path, source_file)
      # @request_path = ::Middleman::Util.normalize_path(source_file)

      super(store, path, path)
    end

    def template?
      true
    end

    def render(*)
      $stderr.puts "Sup doooods" * 50
      "Hello"
    end

    attr_reader :request_path

    def binary?
      false
    end

    def raw_data
      {}
    end

    def ignored?
      false
    end

    def metadata
      @local_metadata.dup
    end
  end
end

activate :splitter, :split_files => [:test], :split_count => 2