There is no magic, just a 😎-way approach to base64'ing in Node.js using it's built-in Buffer object..
$~ npm install k-gun-base64
var base64 = require("k-gun-base64");
var s = "Hello, world!";
console.log(base64.encode(s));
console.log(base64.decode(base64.encode(s)));
The MIT License