vue hello world项目
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3 years ago
'use strict';
var $ = require('../internals/export');
var newPromiseCapabilityModule = require('../internals/new-promise-capability');
var perform = require('../internals/perform');
// `Promise.try` method
// https://github.com/tc39/proposal-promise-try
$({ target: 'Promise', stat: true, forced: true }, {
'try': function (callbackfn) {
var promiseCapability = newPromiseCapabilityModule.f(this);
var result = perform(callbackfn);
(result.error ? promiseCapability.reject : promiseCapability.resolve)(result.value);
return promiseCapability.promise;
}
});