Application helpers are now availible to slim templates

lib/slim_assets/slim_sprockets_engine.rb

@@ -12,10 +12,15 @@ module ViewContext
 
       def self.included(klass)
         klass.instance_eval do
+          include ActiveSupport::Configurable
           include Rails.application.routes.url_helpers
           include Rails.application.routes.mounted_helpers
           include ActionView::Helpers
           include SimpleForm::ActionViewExtensions::FormHelper if defined?(SimpleForm)
+          include ActionController::Helpers
+
+          self.helpers_path = Rails.application.config.helpers_paths
+          modules_for_helpers([:all]).each {|m| include m }
         end
       end
 

spec/rails_app/app/assets/javascripts/app_helpers.jst.ejs.slim

@@ -0,0 +1,2 @@
+h1
+  = test_helper("App helpers work")

spec/rails_app/app/assets/javascripts/link_to.jst.ejs.slim

@@ -1,3 +1,2 @@
 h1
   .text Render works
-

spec/rails_app/app/helpers/application_helper.rb

@@ -0,0 +1,5 @@
+module ApplicationHelper
+  def test_helper(string)
+    string
+  end
+end

spec/render_spec.rb

@@ -11,4 +11,8 @@ class Post < ActiveRecord::Base
   it "should use rails helpers" do
     RailsApp::Application.assets['helpers.jst.ejs.slim'].to_s.should == "(function() {\n  this.JST || (this.JST = {});\n  this.JST[\"helpers\"] = function(obj){var __p=[],print=function(){__p.push.apply(__p,arguments);};with(obj||{}){__p.push('<h1>Form</h1><form accept-charset=\"UTF-8\" action=\"/\" class=\"new_post\" id=\"new_post\" method=\"post\"><div style=\"margin:0;padding:0;display:inline\"><input name=\"utf8\" type=\"hidden\" value=\"&#x2713;\" /></div><input id=\"post_title\" name=\"post[title]\" size=\"30\" type=\"text\" /></form>');}return __p.join('');};\n}).call(this);\n"
   end
+
+  it "should use application helpers" do
+    RailsApp::Application.assets['app_helpers.jst.ejs.slim'].to_s.should == "(function() {\n  this.JST || (this.JST = {});\n  this.JST[\"app_helpers\"] = function(obj){var __p=[],print=function(){__p.push.apply(__p,arguments);};with(obj||{}){__p.push('<h1>App helpers work</h1>');}return __p.join('');};\n}).call(this);\n"
+  end
 end