is-iterable.js #1

"use strict";

var isArguments = require("es5-ext/function/is-arguments")
  , isValue     = require("es5-ext/object/is-value")
  , isString    = require("es5-ext/string/is-string");

var iteratorSymbol = require("es6-symbol").iterator
  , isArray        = Array.isArray;

module.exports = function (value) {
	if (!isValue(value)) return false;
	if (isArray(value)) return true;
	if (isString(value)) return true;
	if (isArguments(value)) return true;
	return typeof value[iteratorSymbol] === "function";
};