base64 encode/decode for node and browser

base64.js

// Simple Base64 encode/decode that works in node and the browser.
var base64 = {
  encode: function (text) {
    if (typeof btoa === 'function')
      return btoa(text)
    else
      return new Buffer(text).toString('base64')
  },
  decode: function (text) {
    if (typeof atob === 'function')
      return atob(text)
    else
      return new Buffer(text, 'base64').toString('utf8')
  }
}