增加井号重复判断

‘liusuyi’

2023-07-03 29d8ea701df5bba27bda837a550853b299207040

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'use strict';
 
var inspect = require('object-inspect');
 
var GetIntrinsic = require('get-intrinsic');
 
var $TypeError = GetIntrinsic('%TypeError%');
 
var Call = require('./Call');
var Get = require('./Get');
var GetIterator = require('./GetIterator');
var IsCallable = require('./IsCallable');
var IteratorClose = require('./IteratorClose');
var IteratorStep = require('./IteratorStep');
var IteratorValue = require('./IteratorValue');
var Type = require('./Type');
 
// https://262.ecma-international.org/10.0//#sec-add-entries-from-iterable
 
module.exports = function AddEntriesFromIterable(target, iterable, adder) {
    if (!IsCallable(adder)) {
        throw new $TypeError('Assertion failed: `adder` is not callable');
    }
    if (iterable == null) {
        throw new $TypeError('Assertion failed: `iterable` is present, and not nullish');
    }
    var iteratorRecord = GetIterator(iterable);
    while (true) { // eslint-disable-line no-constant-condition
        var next = IteratorStep(iteratorRecord);
        if (!next) {
            return target;
        }
        var nextItem = IteratorValue(next);
        if (Type(nextItem) !== 'Object') {
            var error = new $TypeError('iterator next must return an Object, got ' + inspect(nextItem));
            return IteratorClose(
                iteratorRecord,
                function () { throw error; } // eslint-disable-line no-loop-func
            );
        }
        try {
            var k = Get(nextItem, '0');
            var v = Get(nextItem, '1');
            Call(adder, target, [k, v]);
        } catch (e) {
            return IteratorClose(
                iteratorRecord,
                function () { throw e; }
            );
        }
    }
};