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12 lines
477 B
12 lines
477 B
'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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