timepiece/node_modules/es5-ext/array/#/@@iterator/is-implemented.js

17 lines
481 B
JavaScript

"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;
};