importing more stuff from Belle proj

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

@@ -0,0 +1,79 @@
+using System.IO;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using Umbraco.Core.Manifest;
+
+namespace Umbraco.Web.UI.JavaScript
+{
+    /// <summary>
+    /// Reads from all defined manifests and ensures that any of their initialization is output with the
+    /// main Umbraco initialization output.
+    /// </summary>
+    internal class RequireJsInit
+    {
+        private readonly DirectoryInfo _pluginsDir;
+        private readonly ManifestParser _parser;
+
+        public RequireJsInit(DirectoryInfo pluginsDir)
+        {
+            _pluginsDir = pluginsDir;
+            _parser = new ManifestParser(_pluginsDir);
+        }
+
+        private static readonly Regex Token = new Regex("(\"##\\w+?##\")", RegexOptions.Compiled);
+
+        /// <summary>
+        /// Processes all found manifest files and outputs the main.js file containing all plugin manifests
+        /// </summary>
+        public string GetJavascriptInitialization(JObject umbracoConfig, JArray umbracoInit)
+        {
+            foreach (var m in _parser.GetManifests())
+            {
+                ManifestParser.MergeJObjects(umbracoConfig, m.JavaScriptConfig, true);
+                ManifestParser.MergeJArrays(umbracoInit, m.JavaScriptInitialize);
+            }
+
+            return ParseMain(umbracoConfig.ToString(), umbracoInit.ToString());
+        }
+
+        /// <summary>
+        /// Returns the default config as a JObject
+        /// </summary>
+        /// <returns></returns>
+        internal static JObject GetDefaultConfig()
+        {
+            var config = Resources.RequireJsConfig;
+            var jObj = JsonConvert.DeserializeObject<JObject>(config);
+            return jObj;
+        }
+
+        /// <summary>
+        /// Returns the default config as a JArray
+        /// </summary>
+        /// <returns></returns>
+        internal static JArray GetDefaultInitialization()
+        {
+            var init = Resources.RequireJsInitialize;
+            var jArr = JsonConvert.DeserializeObject<JArray>(init);
+            return jArr;
+        }
+
+        /// <summary>
+        /// Parses the JsResources.Main and replaces the replacement tokens accordingly.
+        /// </summary>
+        /// <param name="replacements"></param>
+        /// <returns></returns>
+        internal static string ParseMain(params string[] replacements)
+        {
+            var count = 0;
+            return Token.Replace(Resources.Main, match =>
+            {
+                var replaced = replacements[count];
+                count++;
+                return replaced;
+            });
+        }
+
+    }
+}