手动引导增加禁引可视域判断

‘liusuyi’

2023-10-28 7786c1a71400a8e1635d2d6c94161a0474c4bb67

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'use strict';
 
var IteratorComplete = require('./IteratorComplete');
var IteratorNext = require('./IteratorNext');
 
// https://ecma-international.org/ecma-262/6.0/#sec-iteratorstep
 
module.exports = function IteratorStep(iterator) {
    var result = IteratorNext(iterator);
    var done = IteratorComplete(result);
    return done === true ? false : result;
};