diff options
Diffstat (limited to 'actionpack/lib/sprockets/helpers/rails_helper.rb')
-rw-r--r-- | actionpack/lib/sprockets/helpers/rails_helper.rb | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/actionpack/lib/sprockets/helpers/rails_helper.rb b/actionpack/lib/sprockets/helpers/rails_helper.rb new file mode 100644 index 0000000000..3a49c347fb --- /dev/null +++ b/actionpack/lib/sprockets/helpers/rails_helper.rb @@ -0,0 +1,51 @@ +module Sprockets + module Helpers + module RailsHelper + def asset_paths + @asset_paths ||= begin + config = self.config if respond_to?(:config) + controller = self.controller if respond_to?(:controller) + RailsHelper::AssetPaths.new(config, controller) + end + end + + class AssetPaths < ActionView::Helpers::AssetPaths #:nodoc: + def compute_public_path(source, dir, ext=nil, include_host=true) + super(source, 'assets', ext, include_host) + end + + def asset_for(source, ext) + source = source.to_s + return nil if is_uri?(source) + source = rewrite_extension(source, nil, ext) + assets[source] + end + + def rewrite_asset_path(source, dir) + if source[0] == ?/ + source + else + assets.path(source, performing_caching?, dir) + end + end + + def rewrite_extension(source, dir, ext) + if ext && File.extname(source).empty? + "#{source}.#{ext}" + else + source + end + end + + def assets + Rails.application.assets + end + + # When included in Sprockets::Context, we need to ask the top-level config as the controller is not available + def performing_caching? + @config ? @config.perform_caching : Rails.application.config.action_controller.perform_caching + end + end + end + end +end |