module.exports vs exports in Node.js

Question

I\'ve found the following contract in a Node.js module:

module.exports = exports = nano = function database_module(cfg) {...}

I wonder what

Answer 1

I found this link useful to answer the above question.

http://timnew.me/blog/2012/04/20/exports-vs-module-exports-in-node-js/

To add to the other posts The module system in node does

var exports = module.exports 

before executing your code. So when you want to exports = foo , you probably want to do module.exports = exports = foo but using exports.foo = foo should be fine