You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.5 KiB
43 lines
1.5 KiB
'use strict'; |
|
var $ = require('../internals/export'); |
|
var call = require('../internals/function-call'); |
|
var aCallable = require('../internals/a-callable'); |
|
var newPromiseCapabilityModule = require('../internals/new-promise-capability'); |
|
var perform = require('../internals/perform'); |
|
var iterate = require('../internals/iterate'); |
|
|
|
// `Promise.allSettled` method |
|
// https://tc39.es/ecma262/#sec-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 = aCallable(C.resolve); |
|
var values = []; |
|
var counter = 0; |
|
var remaining = 1; |
|
iterate(iterable, function (promise) { |
|
var index = counter++; |
|
var alreadyCalled = false; |
|
remaining++; |
|
call(promiseResolve, C, promise).then(function (value) { |
|
if (alreadyCalled) return; |
|
alreadyCalled = true; |
|
values[index] = { status: 'fulfilled', value: value }; |
|
--remaining || resolve(values); |
|
}, function (error) { |
|
if (alreadyCalled) return; |
|
alreadyCalled = true; |
|
values[index] = { status: 'rejected', reason: error }; |
|
--remaining || resolve(values); |
|
}); |
|
}); |
|
--remaining || resolve(values); |
|
}); |
|
if (result.error) reject(result.value); |
|
return capability.promise; |
|
} |
|
});
|
|
|