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39 lines
1.1 KiB
39 lines
1.1 KiB
'use strict';
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var callBound = require('call-bind/callBound');
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var $arrayPush = callBound('Array.prototype.push');
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var getIteratorMethod = require('../helpers/getIteratorMethod');
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var AdvanceStringIndex = require('./AdvanceStringIndex');
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var GetIterator = require('./GetIterator');
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var GetMethod = require('./GetMethod');
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var IsArray = require('./IsArray');
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var IteratorStep = require('./IteratorStep');
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var IteratorValue = require('./IteratorValue');
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var ToObject = require('./ToObject');
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var ES = {
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AdvanceStringIndex: AdvanceStringIndex,
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GetMethod: GetMethod,
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IsArray: IsArray
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};
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// https://262.ecma-international.org/7.0/#sec-iterabletoarraylike
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module.exports = function IterableToArrayLike(items) {
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var usingIterator = getIteratorMethod(ES, items);
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if (typeof usingIterator !== 'undefined') {
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var iterator = GetIterator(items, usingIterator);
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var values = [];
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var next = true;
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while (next) {
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next = IteratorStep(iterator);
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if (next) {
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var nextValue = IteratorValue(next);
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$arrayPush(values, nextValue);
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}
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}
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return values;
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}
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return ToObject(items);
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};
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