working on U4-4011 Package installation will require either a full app refresh or we will need to re-lazy load in all of the assets but unfortunately we cannot lazy load in things like directives as angular doesn't like that, we have to re-load the browser.

src/Umbraco.Web/UI/JavaScript/JsInitialization.cs

@@ -39,6 +39,15 @@ namespace Umbraco.Web.UI.JavaScript
         /// Processes all found manifest files and outputs the main.js file containing all plugin manifests
         /// </summary>
         public string GetJavascriptInitialization(HttpContextBase httpContext, JArray umbracoInit, JArray additionalJsFiles = null)
+        {
+            var result = GetJavascriptInitializationArray(httpContext, umbracoInit, additionalJsFiles);
+
+            return ParseMain(
+                result.ToString(),
+                IOHelper.ResolveUrl(SystemDirectories.Umbraco));
+        }
+
+        public JArray GetJavascriptInitializationArray(HttpContextBase httpContext, JArray umbracoInit, JArray additionalJsFiles = null)
         {
             foreach (var m in _parser.GetManifests())
             {
@@ -57,9 +66,7 @@ namespace Umbraco.Web.UI.JavaScript
             //now we need to merge in any found cdf declarations on property editors
             ManifestParser.MergeJArrays(umbracoInit, ScanPropertyEditors(ClientDependencyType.Javascript, httpContext));
 
-            return ParseMain(
-                umbracoInit.ToString(),
-                IOHelper.ResolveUrl(SystemDirectories.Umbraco));
+            return umbracoInit;
         }
 
         /// <summary>