Fix Object.prototype.__defineGetter__ not a function issue

Author: phuongnq

.gitignore

@@ -25,4 +25,6 @@ jacoco.exec
 
 out
 tmp
-tmp/spotless
+tmp/spotless
+
+0

handlebars/src/main/resources/handlebars-v4.7.8.js

@@ -2602,6 +2602,13 @@ return /******/ (function(modules) { // webpackBootstrap
 	exports.__esModule = true;
 
 	exports['default'] = function (Handlebars) {
+		// Newer JavaScript environments have deprecated __defineGetter__
+		// in favor of modern property definition methods (Object.defineProperty)
+		if (!Object.prototype.__defineGetter__) {
+			Object.prototype.__defineGetter__ = function(name, func) {
+				Object.defineProperty(this, name, { get: func, enumerable: true, configurable: true });
+			};
+		}
 	  /* istanbul ignore next */
 	  // https://mathiasbynens.be/notes/globalthis
 	  (function () {

handlebars/src/main/resources/helpers.nashorn.js

@@ -47,9 +47,3 @@ Handlebars.registerHelper = function (name, helper) {
   Handlebars.helpers[name] = helper;
   Handlebars_java.registerHelper(name, fn);
 };
-
-if (!Object.prototype.__defineGetter__) {
-  Object.prototype.__defineGetter__ = function(name, func) {
-      Object.defineProperty(this, name, { get: func, enumerable: true, configurable: true });
-  };
-}