user-home 
Get the path to the user home directory
Install
$ npm install --save user-home
Usage
var userHome = require('user-home');
console.log(userHome);
//=> /Users/sindresorhus
Returns null in the unlikely scenario that the home directory can't be found.
CLI
$ npm install --global user-home
$ user-home --help
Example
$ user-home
/Users/sindresorhus
License
MIT © Sindre Sorhus