Edit File: es7.promise.finally.js
// https://github.com/tc39/proposal-promise-finally 'use strict'; var $export = require('./_export'); var core = require('./_core'); var global = require('./_global'); var speciesConstructor = require('./_species-constructor'); var promiseResolve = require('./_promise-resolve'); $export($export.P + $export.R, 'Promise', { 'finally': function (onFinally) { var C = speciesConstructor(this, core.Promise || global.Promise); var isFunction = typeof onFinally == 'function'; return this.then( isFunction ? function (x) { return promiseResolve(C, onFinally()).then(function () { return x; }); } : onFinally, isFunction ? function (e) { return promiseResolve(C, onFinally()).then(function () { throw e; }); } : onFinally ); } });
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