Utils.js

/**
 * General utility methods
 */
 
exports = module.exports = {
  /**
   * Basically like getProperty, different return
   * @method hasProperty
   * @param ns {string} A period delimited string of the namespace to find, sans root object
   * @param obj {object} The root object to search
   * @return {boolean} true if property exists, false otherwise
   */
  hasProperty: function (ns, obj) {
		if (!ns) {
			return obj;
		}
		var nsArray = ns.split('.'),
			nsLen	= nsArray.length,
			newNs;

		// if nsLen === 0, then obj is just returned
		while (nsLen > 0) {
			newNs = nsArray.shift();
			if (obj[newNs]) {
				obj = obj[newNs];
			} else {
			  return false;
			}
			nsLen = nsArray.length;
		}
		return true;
  },
  /**
   * Find a namespaced property
   * @method getProperty
   * @param ns {string} A period delimited string of the namespace to find, sans root object
   * @param obj {object} The root object to search
   * @return {object} the object, either the namespaced obejct or the root object
   */
	getProperty: function (ns, obj) {
		if (!ns) {
			return obj;
		}
		var nsArray = ns.split('.'),
			nsLen	= nsArray.length,
			newNs;

		// if nsLen === 0, then obj is just returned
		while (nsLen > 0) {
			newNs = nsArray.shift();
			if (obj[newNs]) {
				obj = obj[newNs];
			}
			nsLen = nsArray.length;
		}
		return obj;
	}
}