/**
 * Types utilities
 */

var Types = {};

var UNDEFINED = void 0;

/**
 * Checks if var exists and is an object
 * @param  {String or Object}  v
 * @return {Boolean}
 */
Types.isObj = function(v){
    var isO = false;
    if(typeof v === 'string'){
        if(window[v] && typeof window[v] === 'object'){
            isO = true;
        }
    } else {
        if(v && typeof v === 'object'){
            isO = true;
        }
    }
    return isO;
};

/**
 * Checks if passed parameter is a function
 * @param  {Function} fn
 * @return {Boolean}
 */
Types.isFn = function(fn){
    return (fn && fn.constructor == Function);
};

/**
 * Checks if passed param is an array
 * @param  {Array}  obj
 * @return {Boolean}
 */
Types.isArray = function(obj){
    return (obj && obj.constructor == Array);
};

/**
 * Determines if passed param is undefined
 * @param  {Any}  o
 * @return {Boolean}
 */
Types.isUndef = function(o){
    return  o === UNDEFINED;
};

exports.Types = Types;