native JSON support is added

vkbeautify.js

@@ -1,7 +1,7 @@
 /**
 * vkBeautify - javascript plugin to pretty-print or minify text in XML, JSON and CSS formats.
 *  
-* Version - 0.97.00.beta 
+* Version - 0.98.00.beta 
 * Copyright (c) 2012 Vadim Kiryukhin
 * vkiryukhin @ gmail.com
 * http://www.eslinstructor.net/vkbeautify/
@@ -152,6 +152,21 @@ vkbeautify.prototype.xml = function(text,step) {
 
 vkbeautify.prototype.json = function(text,step) {
 
+    // Attempt to process using the native JSON first
+    if ( window.JSON && window.JSON.stringify ) {
+		if ( typeof text === "string" ) {
+			return JSON.stringify(JSON.parse(text), null, step);
+		}
+		if ( typeof text === "object" ) {
+			return JSON.stringify(text, null, step);
+		}
+		return null;
+    }
+
+	// there is no native JSON object, so let's use regexp
+
+	if ( typeof text !== "string" || !text )  return null;
+
 	var ar = this.jsonmin(text).replace(/\{/g,"~::~{~::~")
 								.replace(/\[/g,"[~::~")
 								.replace(/\}/g,"~::~}")