node.js base64 class

base64.js

/**
 * Base64 encode / decode strings, objects, arrays, etc
 */
class base64 {
  static encode (data) {
    return new Buffer(JSON.stringify(data)).toString('base64')
  }
  static decode (data) {
    return JSON.parse( new Buffer(data, 'base64').toString() )
  }
}

module.exports = base64

base64.spec.js

let data = [
  'test string',
  12345,
  [1,2,3],
  ['one', 'two', 'three'],
  [1,2,'three'],
  [[1,2], [2,3], [3,4]],
  {foo:'bar'},
  {foo:[1,2,3]},
  {foo:[[1,2],[2,3],[3,4]], baz:'baz'},
  [{id:1}, {id:2}, {id:3}],
  {foo: {bar: 'baz'}},
  '漢字',
  ['漢字'],
  {foo:'漢字'}
]

for( item of data ){
  let a = base64.encode(item)
  let b = base64.decode(a)
  console.log(item)
  console.log(b)
  console.log(a)
  console.log('--------------------')
}