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