npm-conf 
Get the npm config
Install
$ npm install npm-conf
Usage
const npmConf = require('npm-conf');
const conf = npmConf();
conf.get('prefix')
//=> //=> /Users/unicorn/.npm-packages
conf.get('registry')
//=> https://registry.npmjs.org/
To get a list of all available npm config options:
$ npm config list --long
API
npmConf()
Returns the npm config.
npmConf.defaults
Returns the default npm config.
License
MIT © Kevin Mårtensson