| 'use strict'; |
| var $ = require('../internals/export'); |
| var aFunction = require('../internals/a-function'); |
| var newPromiseCapabilityModule = require('../internals/new-promise-capability'); |
| var perform = require('../internals/perform'); |
| var iterate = require('../internals/iterate'); |
| |
| // `Promise.allSettled` method |
| // https://github.com/tc39/proposal-promise-allSettled |
| $({ target: 'Promise', stat: true }, { |
| allSettled: function allSettled(iterable) { |
| var C = this; |
| var capability = newPromiseCapabilityModule.f(C); |
| var resolve = capability.resolve; |
| var reject = capability.reject; |
| var result = perform(function () { |
| var promiseResolve = aFunction(C.resolve); |
| var values = []; |
| var counter = 0; |
| var remaining = 1; |
| iterate(iterable, function (promise) { |
| var index = counter++; |
| var alreadyCalled = false; |
| values.push(undefined); |
| remaining++; |
| promiseResolve.call(C, promise).then(function (value) { |
| if (alreadyCalled) return; |
| alreadyCalled = true; |
| values[index] = { status: 'fulfilled', value: value }; |
| --remaining || resolve(values); |
| }, function (e) { |
| if (alreadyCalled) return; |
| alreadyCalled = true; |
| values[index] = { status: 'rejected', reason: e }; |
| --remaining || resolve(values); |
| }); |
| }); |
| --remaining || resolve(values); |
| }); |
| if (result.error) reject(result.value); |
| return capability.promise; |
| } |
| }); |