var SYNC_API_RE = /requireNativePlugin|upx2px|hideKeyboard|canIUse|^create|Sync$|Manager$/;

 var CALLBACK_API_RE = /^on/;

 // 微信同步api

 function isSyncApi(name) {

     return SYNC_API_RE.test(name);

 }

 function isCallbackApi(name) {

     return CALLBACK_API_RE.test(name);

 }

 // 是否应该使用promise

 function shouldPromise(name) {

     if (isSyncApi(name)) {

       return false;

     }

     if (isCallbackApi(name)) {

       return false;

     }

     return true;

   }

 // 使用promise

 function handlePromise(promise) {

     return promise.then(function (data) {

       return [null, data];

     }).

     catch(function (err) {return [err];});

   }

 // 异步处理的使用promise

 function promisify(name, api) {

     if (!shouldPromise(name)) {

         return api;

     }

     return function promiseApi() {

         var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

         // 参数 --> 数组（可以简化吧）

         for (var _len = arguments.length, params = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {

             params[_key - 1] = arguments[_key];

         }

         // 如果以原始方式传入则调用原始方式

         if (isFn(options.success) || isFn(options.fail) || isFn(options.complete)) {

             return api.apply(void 0, [options].concat(params));

         }

         // 否则返回promise方式

         return handlePromise(

         new Promise(

             function (resolve, reject) {

                 // options 为url等等配置

             api.apply(void 0, [Object.assign({}, options, {

                 success: resolve,

                 fail: reject })].concat(

             params)

         );

         /* eslint-disable no-extend-native */

         Promise.prototype.finally = function (callback) {

             // Promise 构造器对象，它身上有Promise.resolve()

             var promise = this.constructor;

             // Promise 实例化对象

             return this.then(

             function (value) {return promise.resolve(callback()).then(function () {return value;});},

             function (reason) {return promise.resolve(callback()).then(function () {

                 throw reason;

             });});

         };

         }));

     };

 }