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Last change
on this file since 6a80231 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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File size:
584 bytes
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| 1 | 'use strict';
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| 2 | var aFunction = require('../internals/a-function');
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| 3 |
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| 4 | var PromiseCapability = function (C) {
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| 5 | var resolve, reject;
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| 6 | this.promise = new C(function ($$resolve, $$reject) {
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| 7 | if (resolve !== undefined || reject !== undefined) throw TypeError('Bad Promise constructor');
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| 8 | resolve = $$resolve;
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| 9 | reject = $$reject;
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| 10 | });
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| 11 | this.resolve = aFunction(resolve);
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| 12 | this.reject = aFunction(reject);
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| 13 | };
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| 14 |
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| 15 | // `NewPromiseCapability` abstract operation
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| 16 | // https://tc39.es/ecma262/#sec-newpromisecapability
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| 17 | module.exports.f = function (C) {
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| 18 | return new PromiseCapability(C);
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| 19 | };
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