梁美英 / programming · Files

'use strict';

var isArguments    = require('es5-ext/function/is-arguments')
  , isString       = require('es5-ext/string/is-string')
  , iteratorSymbol = require('es6-symbol').iterator

  , isArray = Array.isArray;

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