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• is-array-iterator-method.js

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package.internals.is-array-iterator-method.js Maven / Gradle / Ivy

'use strict';
var wellKnownSymbol = require('../internals/well-known-symbol');
var Iterators = require('../internals/iterators');

var ITERATOR = wellKnownSymbol('iterator');
var ArrayPrototype = Array.prototype;

// check on default Array iterator
module.exports = function (it) {
  return it !== undefined && (Iterators.Array === it || ArrayPrototype[ITERATOR] === it);
};