22 lines
618 B
JavaScript
22 lines
618 B
JavaScript
'use strict';
|
|
var aCallable = require('../internals/a-callable');
|
|
|
|
var $TypeError = TypeError;
|
|
|
|
var PromiseCapability = function (C) {
|
|
var resolve, reject;
|
|
this.promise = new C(function ($$resolve, $$reject) {
|
|
if (resolve !== undefined || reject !== undefined) throw new $TypeError('Bad Promise constructor');
|
|
resolve = $$resolve;
|
|
reject = $$reject;
|
|
});
|
|
this.resolve = aCallable(resolve);
|
|
this.reject = aCallable(reject);
|
|
};
|
|
|
|
// `NewPromiseCapability` abstract operation
|
|
// https://tc39.es/ecma262/#sec-newpromisecapability
|
|
module.exports.f = function (C) {
|
|
return new PromiseCapability(C);
|
|
};
|