add preload module

Author: clmath

README.md

@@ -12,6 +12,11 @@ This plugin should work with RequireJS and Dojo.
 This plugin is based on requirejs i18n.
  * see: http://github.com/requirejs/i18n for details
 
+## loadNlsAndLayer.js
+
+This plugin is used to load layer files output by the Dojo 2 build system.
+ * see: http://github.com/requirejs/i18n for details
+
 ## Licensing
 
 This project is distributed by the Dojo Foundation and licensed under the ["New" BSD License](https://github.com/dojo/dojo/blob/master/LICENSE#L13-L41).

plugins/i18n/preload.js

@@ -10,7 +10,7 @@ define(["./common"], function (common) {
             name = parts[0];
             while (locale) {
                 if (flattenedLocales.indexOf(locale) >= 0) {
-                    require([name + "_" + locale], function (bundle) {
+                    req([name + "_" + locale], function (bundle) {
                         onLoad(bundle);
                         return;
                     });

plugins/loadNlsAndLayer.js

@@ -0,0 +1,26 @@
+define(["module", "./i18n/common"], function (module, common) {
+    return {
+        load: function (name, req, onLoad, config) {
+            config = config || {};
+
+            var moduleLayer = name,
+                parts = name.split('/'),
+                bundleName = parts.pop(),
+                nlsLayer = parts.join('/') + "/nls/" + bundleName,
+                locale = common.getLocale(config),
+                flattenedLocales = module.config().locales;
+
+            while (locale) {
+                if (flattenedLocales.indexOf(locale) >= 0) {
+                    req([nlsLayer + "_" + locale], function () {
+                        //need to wait for the nls layer before loading the module layer
+                        req([moduleLayer], function () {
+                            onLoad(1);
+                        });
+                    });
+                }
+                locale = common.getParentLocale(locale);
+            }
+        }
+    };
+});