[API] Fix explicit implementation assignments

platform/commonUI/browse/bundle.js

@@ -21,7 +21,10 @@
  *****************************************************************************/
 /*global define,Promise*/
 
-define(['legacyRegistry'], function (legacyRegistry) {
+define([
+    'legacyRegistry',
+    './src/BrowseController'
+], function (legacyRegistry, BrowseController) {
     "use strict";
 
     legacyRegistry.register("platform/commonUI/browse", {
@@ -41,7 +44,7 @@ define(['legacyRegistry'], function (legacyRegistry) {
             "controllers": [
                 {
                     "key": "BrowseController",
-                    "implementation": "BrowseController.js",
+                    "implementation": BrowseController,
                     "depends": [
                         "$scope",
                         "$route",

platform/framework/src/load/Extension.js

@@ -138,6 +138,26 @@ define(
                     undefined;
         };
 
+        /**
+         * Check if an extension has an actual implementation value
+         * (and not just a path to an implementation) defined.
+         * @returns {function} the constructor for this extension instance
+         */
+        Extension.prototype.getImplementationValue = function () {
+            return typeof this.definition.implementation === 'function' ?
+                    this.definition.implementation :
+                    undefined;
+        };
+
+        /**
+         * Check if an extension has an actual implementation value
+         * (and not just a path to an implementation) defined.
+         * @returns {boolean} true if a value is available
+         */
+        Extension.prototype.hasImplementationValue = function () {
+            return typeof this.definition.implementation === 'function';
+        };
+
         /**
          * Get a log-friendly name for this extension; this will
          * include both the key (machine-readable name for this

platform/framework/src/resolve/ExtensionResolver.js

@@ -61,10 +61,10 @@ define(
                 $log = this.$log;
 
             function loadImplementation(extension) {
-                var implValue = extension.getImplementationPath(),
+                var implPath = extension.getImplementationPath(),
-                    implPromise = (typeof implValue === 'string') ?
+                    implPromise = extension.hasImplementationValue() ?
-                            loader.load(implValue) :
+                            Promise.resolve(extension.getImplementationValue()) :
-                            Promise.resolve(implValue),
+                            loader.load(implPath),
                     definition = extension.getDefinition();
 
                 // Wrap a constructor function (to avoid modifying the original)
@@ -122,7 +122,7 @@ define(
                 // Log that loading has begun
                 $log.info([
                     "Loading implementation ",
-                    implValue,
+                    implPath,
                     " for extension ",
                     extension.getLogName()
                 ].join(""));