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ECMAScript spec abstract operations.

There is a newer version: 1.22.3

'use strict';

var GetIntrinsic = require('get-intrinsic');

var $TypeError = GetIntrinsic('%TypeError%');

var Invoke = require('./Invoke');
var Type = require('./Type');

// https://262.ecma-international.org/6.0/#sec-iteratornext

module.exports = function IteratorNext(iterator, value) {
	var result = Invoke(iterator, 'next', arguments.length < 2 ? [] : [value]);
	if (Type(result) !== 'Object') {
		throw new $TypeError('iterator next must return an object');
	}
	return result;
};