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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
};