module Octopress::Ink::PluginAssetPipeline

Public Instance Methods

async_stylesheet_tag() click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 76
def async_stylesheet_tag
  js = uglify(File.read(Ink.gem_dir('assets','js','loadCSS.js')))
  %Q{<script>#{js}\n#{load_css}\n</script>\n<noscript>#{combined_stylesheet_tag}</noscript>}
end
combine_stylesheets() click to toggle source

Combine stylesheets from each plugin

Returns a hash of stylesheets grouped by media types

output: { 'screen' => 'body { background... }' }
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 121
def combine_stylesheets
  @combined_stylesheets ||= begin
    combined = {}


    stylesheets.clone.each do |media,files|
      files.each do |file|
        header = "/* #{file.plugin.type.capitalize}: #{file.plugin.name} */"
        combined[media] ||= ''
        combined[media] << "#{header}\n" unless combined[media] =~ /#{file.plugin.name}/
        combined[media] << file.content
      end
    end

    combined
  end
end
combined_javascript_path() click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 185
def combined_javascript_path
  File.join(@js_dir, "all-#{javascript_fingerprint}.js")
end
combined_javascript_url() click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 111
def combined_javascript_url
  Filters.expand_url(combined_javascript_path)
end
combined_stylesheet_path(media) click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 147
def combined_stylesheet_path(media)
  File.join(@css_dir, "#{media}-#{stylesheet_fingerprint(media)}.css")
end
combined_stylesheet_tag() click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 68
def combined_stylesheet_tag
  tags = ''
  combined_stylesheet_urls.each do |media, url|
    tags.concat "<link href='#{url}' media='#{media}' rel='stylesheet' type='text/css'>"
  end
  tags
end
combined_stylesheet_url(media) click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 97
def combined_stylesheet_url(media)
  Filters.expand_url(combined_stylesheet_path(media))
end
combined_stylesheet_urls() click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 89
def combined_stylesheet_urls
  urls = {}
  combine_stylesheets.keys.each do |media|
    urls[media] = combined_stylesheet_url(media)
  end
  urls
end
compile_css(content) click to toggle source

Compile CSS to take advantage of Sass’s compression settings

# File lib/octopress-ink/plugin_asset_pipeline.rb, line 22
def compile_css(content)
  configs = sass_converter.sass_configs
  configs[:syntax] = :scss
  configs[:style] ||= :compressed if Ink.configuration['asset_pipeline']['compress_css']

  Sass.compile(content, configs)
end
compile_sass(sass) click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 30
def compile_sass(sass)
  Sass.compile(sass.render, sass_configs(sass))
end
compress_js?(file) click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 220
def compress_js?(file)
  Ink.configuration['asset_pipeline']['compress_js'] && !file.path.end_with?('.min.js')
end
fingerprint(paths) click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 228
def fingerprint(paths)
  return '' if ENV['JEKYLL_ENV'] == 'test'
  paths = [paths] unless paths.is_a? Array
  Digest::MD5.hexdigest(paths.clone.map! { |path| "#{File.mtime(path).to_i}" }.join)
end
javascript_fingerprint() click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 180
def javascript_fingerprint
  @javascript_fingerprint ||=
    fingerprint(javascripts.clone.map(&:path))
end
javascript_tag() click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 101
def javascript_tag
  unless @combined_js == ''
    if Ink.configuration['asset_pipeline']['async_js']
      "<script async src='#{combined_javascript_url}'></script>"
    else
      "<script src='#{combined_javascript_url}'></script>"
    end
  end
end
javascripts() click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 175
def javascripts
  @javascripts ||=
    Plugins.plugins.clone.map(&:javascripts).flatten
end
load_css() click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 81
def load_css
  script = ''
  combined_stylesheet_urls.each do |media, url|
    script << %Q{loadCSS("#{url}", null, "#{media}")\n}
  end
  script
end
reset() click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 6
def reset
  @sass_converter = nil
  @combined_stylesheets = nil
  @stylesheets = nil
  @javascripts = nil
  @uglify_settings = nil
  @combined_js = ''
  @stylesheet_fingerprint = {}
  @javascript_fingerprint = nil
  @uglify_settings ||= Jekyll::Utils.symbolize_hash_keys(Ink.configuration['asset_pipeline']['uglifier'])
  @css_dir = Ink.configuration['asset_pipeline']['stylesheets_destination']
  @js_dir  = Ink.configuration['asset_pipeline']['javascripts_destination']
end
sass_configs(sass) click to toggle source

Gets default Sass configuration hash from Jekyll

# File lib/octopress-ink/plugin_asset_pipeline.rb, line 36
def sass_configs(sass)
  configs = sass_converter.sass_configs

  configs[:syntax] = sass.ext.sub(/^\./,'').to_sym

  if sass.respond_to? :load_paths
    configs[:load_paths] = sass.load_paths
  end

  configs
end
sass_converter() click to toggle source

Access Jekyll’s built in Sass converter

# File lib/octopress-ink/plugin_asset_pipeline.rb, line 50
def sass_converter
  @sass_converter ||= begin
    Octopress.site.converters.find do |c|
      c.kind_of?(Jekyll::Converters::Sass) 
    end
  end
end
stylesheet_fingerprint(media) click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 151
def stylesheet_fingerprint(media)
  @stylesheet_fingerprint[media] ||=
    fingerprint(stylesheets[media].clone.map(&:path))
end
stylesheet_tag() click to toggle source

Return a link tag, for all plugins’ stylesheets

# File lib/octopress-ink/plugin_asset_pipeline.rb, line 60
def stylesheet_tag
  if Ink.configuration['asset_pipeline']['async_css']
    async_stylesheet_tag
  else
    combined_stylesheet_tag
  end
end
stylesheets() click to toggle source

Get all plugins stylesheets

Returns a hash of assets grouped by media

output: { 'screen' => [Octopress::Ink::Assets::Stylesheet, ..]
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 162
def stylesheets
 @stylesheets ||= begin
    files = {}
    Plugins.plugins.clone.each do |plugin| 
      plugin.stylesheets.each do |file|
        files[file.media] ||= []
        files[file.media] << file
      end
    end
    files
  end
end
uglify(js) click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 216
def uglify(js)
  Uglifier.new(@uglify_settings).compile(js)
end
write_combined_javascript() click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 189
def write_combined_javascript
  if Ink.configuration['asset_pipeline']['combine_js']
    javascripts.each do |file|

      js = if compress_js?(file)
        if cached = Cache.read_cache(file, @uglify_settings)
          cached
        else
          js = uglify(file.content)
          Cache.write_to_cache(file, js, @uglify_settings)
        end
      else
        file.content
      end

      unless @combined_js =~ /#{file.plugin.name}/
        @combined_js << "/* #{file.plugin.type.capitalize}: #{file.plugin.name} */\n" 
      end
      @combined_js << js
    end

    unless @combined_js == ''
      write_files(@combined_js, combined_javascript_path)
    end
  end
end
write_combined_stylesheet() click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 139
def write_combined_stylesheet
  css = combine_stylesheets
  css.keys.each do |media|
    contents = compile_css(css[media])
    write_files(contents, combined_stylesheet_path(media)) 
  end
end
write_files(source, dest) click to toggle source
# File lib/octopress-ink/plugin_asset_pipeline.rb, line 224
def write_files(source, dest)
  Plugins.static_files << StaticFileContent.new(source, dest)
end