osx-wifi-password 
Get current wifi password on OS X
Install
$ npm install --save osx-wifi-password
Usage
var osxWifiPassword = require('osx-wifi-password');
osxWifiPassword(function (err, password) {
console.log(password);
//=> 'johndoesecretpassword'
});API
osxWifiPassword([name], callback)
name
Type: string
Get the wifi password for a specified known network.
callback(err, password)
Type: function
The callback will return the password to the network.
License
MIT © Kevin Martensson