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vmk-demo-bot / admin / node_modules / es5-ext / array / # / @@iterator / is-implemented.js
@eugene-sukhodolskiy eugene-sukhodolskiy 19 days ago 481 bytes init
"use strict";

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

module.exports = function () {
	var arr = ["foo", 1], iterator, result;
	if (typeof arr[iteratorSymbol] !== "function") return false;
	iterator = arr[iteratorSymbol]();
	if (!iterator) return false;
	if (typeof iterator.next !== "function") return false;
	result = iterator.next();
	if (!result) return false;
	if (result.value !== "foo") return false;
	if (result.done !== false) return false;
	return true;
};