19 lines
495 B
JavaScript
19 lines
495 B
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
var GetIntrinsic = require('../GetIntrinsic');
|
||
|
|
|
||
|
|
var $TypeError = GetIntrinsic('%TypeError%');
|
||
|
|
|
||
|
|
var Invoke = require('./Invoke');
|
||
|
|
var Type = require('./Type');
|
||
|
|
|
||
|
|
// https://ecma-international.org/ecma-262/6.0/#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;
|
||
|
|
};
|