jpex-defaults/src/$typeof.js

Core factories for Jpex

module.exports = function () {
    var standardTypes = ['number', 'boolean', 'string', 'array', 'function', 'date', 'regexp', 'null', 'undefined'];

    return function(obj, returnClassName){
        var t = Object.prototype.toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase();
        return (!returnClassName && standardTypes.indexOf(t) < 0) ? 'object' : t;
    };
};