1 | 'use strict';
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2 | var $ = require('../internals/export');
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3 | var call = require('../internals/function-call');
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4 | var aCallable = require('../internals/a-callable');
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5 | var getBuiltIn = require('../internals/get-built-in');
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6 | var newPromiseCapabilityModule = require('../internals/new-promise-capability');
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7 | var perform = require('../internals/perform');
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8 | var iterate = require('../internals/iterate');
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9 | var PROMISE_STATICS_INCORRECT_ITERATION = require('../internals/promise-statics-incorrect-iteration');
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10 |
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11 | var PROMISE_ANY_ERROR = 'No one promise resolved';
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12 |
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13 | // `Promise.any` method
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14 | // https://tc39.es/ecma262/#sec-promise.any
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15 | $({ target: 'Promise', stat: true, forced: PROMISE_STATICS_INCORRECT_ITERATION }, {
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16 | any: function any(iterable) {
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17 | var C = this;
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18 | var AggregateError = getBuiltIn('AggregateError');
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19 | var capability = newPromiseCapabilityModule.f(C);
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20 | var resolve = capability.resolve;
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21 | var reject = capability.reject;
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22 | var result = perform(function () {
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23 | var promiseResolve = aCallable(C.resolve);
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24 | var errors = [];
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25 | var counter = 0;
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26 | var remaining = 1;
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27 | var alreadyResolved = false;
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28 | iterate(iterable, function (promise) {
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29 | var index = counter++;
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30 | var alreadyRejected = false;
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31 | remaining++;
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32 | call(promiseResolve, C, promise).then(function (value) {
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33 | if (alreadyRejected || alreadyResolved) return;
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34 | alreadyResolved = true;
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35 | resolve(value);
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36 | }, function (error) {
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37 | if (alreadyRejected || alreadyResolved) return;
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38 | alreadyRejected = true;
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39 | errors[index] = error;
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40 | --remaining || reject(new AggregateError(errors, PROMISE_ANY_ERROR));
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41 | });
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42 | });
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43 | --remaining || reject(new AggregateError(errors, PROMISE_ANY_ERROR));
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44 | });
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45 | if (result.error) reject(result.value);
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46 | return capability.promise;
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47 | }
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48 | });
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