Node.js ponyfill for atob and btoa encoding functions

atob.js

const atob = a => Buffer.from(a, 'base64').toString('binary')

module.exports = { atob }

btoa.js

const btoa = b => Buffer.from(b).toString('base64')

module.exports = { bota }

index.js

const { atob } = require('./atob')
const { btoa } = require('./btoa')

module.exports = { atob, btoa }

package.json

{
  "name": "atob-btoa.js",
  "version": "1.0.0",
  "description": "Node.js ponyfill for atob and btoa encoding functions"
}