1 files changed, 69 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/helpers/sprockets_helper.rb b/actionpack/lib/action_view/helpers/sprockets_helper.rb
new file mode 100644
index 0000000000..ab98da9624
--- /dev/null
+++ b/actionpack/lib/action_view/helpers/sprockets_helper.rb
@@ -0,0 +1,69 @@
+require 'uri'
+require 'action_view/helpers/asset_paths'
+
+module ActionView
+  module Helpers
+    module SprocketsHelper
+      def asset_path(source, default_ext = nil)
+        sprockets_asset_paths.compute_public_path(source, 'assets', default_ext, true)
+      end
+
+      def sprockets_javascript_include_tag(source, options = {})
+        options = {
+          'type' => "text/javascript",
+          'src'  => asset_path(source, 'js')
+        }.merge(options.stringify_keys)
+
+        content_tag 'script', "", options
+      end
+
+      def sprockets_stylesheet_link_tag(source, options = {})
+        options = {
+          'rel'   => "stylesheet",
+          'type'  => "text/css",
+          'media' => "screen",
+          'href'  => asset_path(source, 'css')
+        }.merge(options.stringify_keys)
+
+        tag 'link', options
+      end
+
+      private
+
+      def sprockets_asset_paths
+        @sprockets_asset_paths ||= begin
+          config     = self.config if respond_to?(:config)
+          controller = self.controller if respond_to?(:controller)
+          SprocketsHelper::AssetPaths.new(config, controller)
+        end
+      end
+
+      class AssetPaths < ActionView::Helpers::AssetPaths #:nodoc:
+        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
+\ No newline at end of file