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);
    });
  }
}