1 | 'use strict';
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2 | var $ = require('../internals/export');
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3 | var aFunction = require('../internals/a-function');
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4 | var getBuiltIn = require('../internals/get-built-in');
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5 | var newPromiseCapabilityModule = require('../internals/new-promise-capability');
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6 | var perform = require('../internals/perform');
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7 | var iterate = require('../internals/iterate');
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8 |
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9 | var PROMISE_ANY_ERROR = 'No one promise resolved';
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10 |
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11 |
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12 |
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13 | $({ target: 'Promise', stat: true }, {
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14 | any: function any(iterable) {
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15 | var C = this;
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16 | var capability = newPromiseCapabilityModule.f(C);
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17 | var resolve = capability.resolve;
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18 | var reject = capability.reject;
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19 | var result = perform(function () {
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20 | var promiseResolve = aFunction(C.resolve);
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21 | var errors = [];
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22 | var counter = 0;
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23 | var remaining = 1;
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24 | var alreadyResolved = false;
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25 | iterate(iterable, function (promise) {
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26 | var index = counter++;
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27 | var alreadyRejected = false;
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28 | errors.push(undefined);
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29 | remaining++;
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30 | promiseResolve.call(C, promise).then(function (value) {
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31 | if (alreadyRejected || alreadyResolved) return;
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32 | alreadyResolved = true;
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33 | resolve(value);
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34 | }, function (e) {
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35 | if (alreadyRejected || alreadyResolved) return;
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36 | alreadyRejected = true;
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37 | errors[index] = e;
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38 | --remaining || reject(new (getBuiltIn('AggregateError'))(errors, PROMISE_ANY_ERROR));
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39 | });
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40 | });
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41 | --remaining || reject(new (getBuiltIn('AggregateError'))(errors, PROMISE_ANY_ERROR));
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42 | });
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43 | if (result.error) reject(result.value);
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44 | return capability.promise;
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45 | }
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46 | });
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