Creating our own types because we don't want to reference CDF

src/Umbraco.Core/Assets/JavascriptFile.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Umbraco.Core.Assets
+{
+    /// <summary>
+    /// Represents a JS asset file
+    /// </summary>
+    public class JavascriptFile : AssetFile
+    {
+        public JavascriptFile(string filePath)
+            : base(AssetType.Javascript)
+        {
+            FilePath = filePath;
+        }
+    }
+}