callback hell in server side

[alireza-saberi]

Expected behavior

Clean the codes from callback hell.
I am studying the solution.

Actual behavior

There are some nested callbacks in server-side codes. According to my study, it is called callback hell. I have to resolve it

Steps to reproduce

N/A

Version of the project

1.0

Operating system

All

Hardware

All

[alireza-saberi]

This article seems to be useful.
http://stackabuse.com/avoiding-callback-hell-in-node-js/

[alireza-saberi]

A few Promise libraries you should check out are Q, Bluebird, or the built-in Promises if you're using ES6.
I got a comment from a senior engineer to use Bluebird to resolve this issue.
https://github.com/petkaantonov/bluebird

[alireza-saberi]

StackOverflow:
http://stackoverflow.com/questions/40749132/node-js-mongoose-callback-hell