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- 'use strict';
- var IteratorComplete = require('./IteratorComplete');
- var IteratorNext = require('./IteratorNext');
- var Type = require('./Type');
- var assertRecord = require('../helpers/assertRecord');
- // https://262.ecma-international.org/14.0/#sec-iteratorstep
- module.exports = function IteratorStep(iteratorRecord) {
- assertRecord(Type, 'Iterator Record', 'iteratorRecord', iteratorRecord);
- var result = IteratorNext(iteratorRecord); // step 1
- var done = IteratorComplete(result); // step 2
- return done === true ? false : result; // steps 3-4
- };
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