holyfills/lib/helpers/isArguments.js

No more "Holy Sxxt!!" when writting ES5/ES6

"use strict";
var object_to_string = require("../helpers/object_to_string");
var isArray = require("../array/isArray");
var isFunction = require("./isFunction");

module.exports = function(obj) {
  return (object_to_string.call(obj) === "[object Arguments]") || (
    !isArray(obj)
    && obj !== null
    && typeof obj === "object"
    && typeof obj.length === "number"
    && obj.length >= 0
    && isFunction(obj.callee)
  );
};