pop-iterate/object-iterator.js

A polymorphic iterate operator for arrays and other iterables

"use strict";

var Iteration = require("./iteration");
var ArrayIterator = require("./array-iterator");

module.exports = ObjectIterator;
function ObjectIterator(iterable, start, stop, step) {
    this.object = iterable;
    this.keysIterator = new ArrayIterator(Object.keys(iterable), start, stop, step);
}

ObjectIterator.prototype.next = function () {
    var iteration = this.keysIterator.next();
    if (iteration.done) {
        return iteration;
    }
    var key = iteration.value;
    return new Iteration(this.object[key], false, key);
};