2 var $ = require('../internals/export');
3 var aFunction = require('../internals/a-function');
4 var newPromiseCapabilityModule = require('../internals/new-promise-capability');
5 var perform = require('../internals/perform');
6 var iterate = require('../internals/iterate');
8 // `Promise.allSettled` method
9 // https://github.com/tc39/proposal-promise-allSettled
10 $({ target: 'Promise', stat: true }, {
11 allSettled: function allSettled(iterable) {
13 var capability = newPromiseCapabilityModule.f(C);
14 var resolve = capability.resolve;
15 var reject = capability.reject;
16 var result = perform(function () {
17 var promiseResolve = aFunction(C.resolve);
21 iterate(iterable, function (promise) {
22 var index = counter++;
23 var alreadyCalled = false;
24 values.push(undefined);
26 promiseResolve.call(C, promise).then(function (value) {
27 if (alreadyCalled) return;
29 values[index] = { status: 'fulfilled', value: value };
30 --remaining || resolve(values);
32 if (alreadyCalled) return;
34 values[index] = { status: 'rejected', reason: error };
35 --remaining || resolve(values);
38 --remaining || resolve(values);
40 if (result.error) reject(result.value);
41 return capability.promise;