You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
18 lines
570 B
18 lines
570 B
5 months ago
|
'use strict';
|
||
|
|
var classof = require('../internals/classof');
|
||
|
|
var hasOwn = require('../internals/has-own-property');
|
||
|
|
var isNullOrUndefined = require('../internals/is-null-or-undefined');
|
||
|
|
var wellKnownSymbol = require('../internals/well-known-symbol');
|
||
|
|
var Iterators = require('../internals/iterators');
|
||
|
|
|
||
|
|
var ITERATOR = wellKnownSymbol('iterator');
|
||
|
|
var $Object = Object;
|
||
|
|
|
||
|
|
module.exports = function (it) {
|
||
|
|
if (isNullOrUndefined(it)) return false;
|
||
|
|
var O = $Object(it);
|
||
|
|
return O[ITERATOR] !== undefined
|
||
|
|
|| '@@iterator' in O
|
||
|
|
|| hasOwn(Iterators, classof(O));
|
||
|
|
};
|