lib/rack/d3js.rb in rack-d3js-3.4.8 vs lib/rack/d3js.rb in rack-d3js-3.4.10

@@ -5,14 +5,19 @@
     Root = ::File.dirname ::File.dirname ::File.dirname __FILE__
     D3jsFile = ::File.join Root, "dep", "d3", "d3.js"
     D3jsMinFile = ::File.join Root, "dep", "d3", "d3.min.js"
 
     get "/d3.js" do
-      content_type "application/javascript"
-      ::File.read D3jsFile
+      serve D3jsFile
     end
 
     get "/d3.min.js" do
-      ::File.read D3jsMinFile
+      serve D3jsMinFile
+    end
+
+    def serve name
+      content_type "application/javascript"
+      last_modified ::File.mtime name
+      ::File.read name
     end
   end
 end