JS: simplify merging kotlin.js

js/js.translator/testData/closure-wrapper.txt

@@ -1,15 +1,16 @@
 (function (root, factory) {
     if (typeof define === 'function' && define.amd) {
-        define('kotlin', [], factory);
-    } else if (typeof exports === 'object') {
-        module.exports = factory();
-    } else {
-        root.kotlin = factory();
+        define('kotlin', ['exports'], factory);
     }
-}(this, function () {
-    var Kotlin = {};
+    else if (typeof exports === 'object') {
+        factory(module.exports);
+    }
+    else {
+        root.kotlin = {};
+        factory(root.kotlin);
+    }
+}(this, function (Kotlin) {
+    var _ = Kotlin;
 
 %output%
-
-    return Kotlin;
 }));

js/js.translator/testData/kotlin_lib_ecma5.js

@@ -14,9 +14,7 @@
  * limitations under the License.
  */
 
-(function (Kotlin) {
-    'use strict';
-
+(function () {
     function toArray(obj) {
         var array;
         if (obj == null) {
@@ -613,9 +611,6 @@
      * @param {Object} declaration
      */
     Kotlin.defineModule = function (id, declaration) {
-        if (typeof declaration.$initializer$ === "function") {
-            declaration.$initializer$.call(declaration); // TODO: temporary hack
-        }
         Kotlin.modules[id] = declaration;
     };
 
@@ -656,4 +651,4 @@
     Kotlin.kotlinModuleMetadata = function (abiVersion, moduleName, data) {
     };
 
-})(Kotlin);
+})();