var classof = require('../internals/classof');
|
var getMethod = require('../internals/get-method');
|
var isNullOrUndefined = require('../internals/is-null-or-undefined');
|
var Iterators = require('../internals/iterators');
|
var wellKnownSymbol = require('../internals/well-known-symbol');
|
|
var ITERATOR = wellKnownSymbol('iterator');
|
|
module.exports = function (it) {
|
if (!isNullOrUndefined(it)) return getMethod(it, ITERATOR)
|
|| getMethod(it, '@@iterator')
|
|| Iterators[classof(it)];
|
};
|
