小程序Promise

/** 异步函数回调简化处理

const promisify = require('./promisify')

const getSystemInfo = promisify(wx.getSystemInfo)

getSystemInfo().then(res=>{

    // success

    console.log(res)

}).catch(res=>{

})

**/

module.exports = (api) => {

  return (options, ...params) => {

    return new Promise((resolve, reject) => {

      console.log(options)

      console.info(...params)

      api(Object.assign({}, options, {

        success: resolve,

        fail: reject

      }), ...params);

    });

  }

}