Module: Lionel::Extensions::Middleman

Defined in:
lib/lionel/extensions/middleman.rb

Defined Under Namespace

Classes: Options

Class Method Summary collapse

Class Method Details

.registered(app) {|options| ... } ⇒ Object Also known as: included

Yields:

  • (options) 


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# File 'lib/lionel/extensions/middleman.rb', line 7

def registered(app, &block)
  options = Options.new([])
  yield options if block_given?
  # Let's run our images/ through sprockets just as we do js and css,
  # so we can serve images packaged in engines

  # Inspired by https://github.com/Vasfed/middleman/commit/c9b4edcc0a3fb9fd4da43af78cedd50351479205
  # This may be CRUFT if similar behavior is implemented by middleman
  # itself
  try_paths = [
    %w{ assets },
    %w{ app },
    %w{ app assets },
    %w{ vendor },
    %w{ vendor assets },
    %w{ lib },
    %w{ lib assets }
  ].inject([]) do |sum, v|
    sum + [File.join(v, 'images')]
  end

  app.after_configuration do
    ::Middleman.rubygems_latest_specs.select { |g|
      options.engines_with_images.include?(g.name)
    }.map(&:full_gem_path).each do |root_path|
      try_paths.map {|p| File.join(root_path, p) }.
        select {|p| File.directory?(p) }.
        each {|path| sprockets.append_path(path) }
    end

    # Add our app images to sprockets, too
    sprockets.append_path("#{root}/#{source}/#{images_dir}")

    # Intercept requests to /images and pass to sprockets
    our_sprockets = sprockets
    map("/#{images_dir}")  { run our_sprockets }
  end

  app.build_config do
    # Copy over engined images to build/images/
    FileUtils.mkdir_p "#{root}/build/images"
    ::Middleman.rubygems_latest_specs.select { |g|
      options.engines_with_images.include?(g.name)
    }.map(&:full_gem_path).each do |root_path|
      try_paths.map {|p| File.join(root_path, p) }.
        select {|p| File.directory?(p) }.
        each do |path|
          FileUtils.cp_r Dir[path+"/*"], "#{root}/build/images"
      end
    end
  end

  # ugly hack around current_path being nil when executing path helpers
  if defined? ::Middleman::Extensions::RelativeAssets
    ::Middleman::Extensions::RelativeAssets::InstanceMethods.module_eval do
      alias_method :old_asset_url, :asset_url

      def asset_url(path, prefix="")
        old_asset_url(path, prefix)
      rescue Exception => ex
        "#{prefix}/#{path}"
      end
    end
  end
end