Optional parameter has a higher priority than defined version in package.json.

Author: e2l3n

lib/services/project-service.ts

@@ -76,7 +76,17 @@ export class ProjectService implements IProjectService {
 				this.$logger.trace("Copying NativeScript hello world application into %s", appDirectory);
 				appPath = defaultTemplatePath;
 			}
-            
+
+            var tnsModulesVersion: string = null;
+            // Optional parameter has a higher priority than defined version in package.json
+            if (this.$options.tnsModulesVersion) {
+                tnsModulesVersion = this.$options.tnsModulesVersion;
+            }
+            else {
+                var coreModulesName = this.$tnsModulesService.NPM_TNS_CORE_MODULES_NAME;
+                tnsModulesVersion = this.$fs.readJson(path.join(appPath, constants.PACKAGE_JSON_FILE_NAME)).wait()[coreModulesName]["version"];
+            }
+
             // Download tns-core-modules via npm and get destination file path
             var tnsModulesResourcePath = this.$tnsModulesService.tnsModulesInstallationPath(tnsModulesVersion).wait();