Compare Objects Helper

compareObjects.js

/**
 * Compares 2 Javascript Objects
 * @compareObjects
 * @param {Object} _old
 * @param {Object} _new
 * @return {Object} results
 */
exports.compareObjects = function(_old, _new) {
	var diff;
    if (_new == null || _new === "null"){
    	return null;
    }
	if (typeof(_new) === 'object') {
		diff = {};
		for (var _property in _new) {
			if (_old.hasOwnProperty(_property)){
				diff[_property] = exports.compareObjects(_old[_property], _new[_property]);
			}else{
				diff[_property] = exports.compareObjects(null, _new[_property]);
			}
		}
	} else {
		if (_old === _new) {
			diff = false;
		} else {
			diff = true;
		}
	}
	return diff;
}