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node_modules/promise/src/finally.js 348 Bytes
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ce4c83ff   wxy   初始提交 
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  'use strict';
  
  var Promise = require('./core.js');
  
  module.exports = Promise;
  Promise.prototype['finally'] = function (f) {
    return this.then(function (value) {
      return Promise.resolve(f()).then(function () {
        return value;
      });
    }, function (err) {
      return Promise.resolve(f()).then(function () {
        throw err;
      });
    });
  };