mirror of https://github.com/jkjoy/sunpeiwen.git
13 lines
477 B
JavaScript
13 lines
477 B
JavaScript
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'use strict';
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// https://github.com/tc39/proposal-promise-try
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var $export = require('./_export');
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var newPromiseCapability = require('./_new-promise-capability');
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var perform = require('./_perform');
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$export($export.S, 'Promise', { 'try': function (callbackfn) {
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var promiseCapability = newPromiseCapability.f(this);
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var result = perform(callbackfn);
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(result.e ? promiseCapability.reject : promiseCapability.resolve)(result.v);
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return promiseCapability.promise;
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} });
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