lib/slim-rails.rb in slim-rails-2.0.4 vs lib/slim-rails.rb in slim-rails-2.1.0

@@ -7,8 +7,33 @@
       if ::Rails.version.to_s >= '3.1'
         config.app_generators.template_engine :slim        
       else
         config.generators.template_engine :slim
       end
+
+      initializer 'slim_rails.configure_template_digestor' do
+        ActiveSupport.on_load(:action_view) do
+          ActiveSupport.on_load(:after_initialize) do
+            begin
+              if defined?(CacheDigests::DependencyTracker)
+                # 'cache_digests' gem being used (overrides Rails 4 implementation)
+                CacheDigests::DependencyTracker.register_tracker :slim, CacheDigests::DependencyTracker::ERBTracker
+
+                if ::Rails.env.development?
+                  # recalculate cache digest keys for each request
+                  CacheDigests::TemplateDigestor.cache = ActiveSupport::Cache::NullStore.new
+                end
+              elsif ::Rails.version.to_s >= '4.0'
+                # will only apply if Rails 4, which includes 'action_view/dependency_tracker'
+                require 'action_view/dependency_tracker'
+                ActionView::DependencyTracker.register_tracker :slim, ActionView::DependencyTracker::ERBTracker
+                ActionView::Base.cache_template_loading = false if ::Rails.env.development?
+              end
+            rescue
+              # likely this version of Rails doesn't support dependency tracking
+            end
+          end
+        end
+      end
     end
   end
 end