parse-js/dist/transformers/base64.js

Utility library for object structure conversion.

'use strict';

var Base64 = require('../lib/base64');

function Base64Transformer() {
  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

  if (!(this instanceof Base64Transformer)) {
    return this.transform(new Base64Transformer(options));
  }

  this._allowBinary = options.allowBinary || false;
  this._validationOptions = {
    allowBinary: this._allowBinary
  };
}

Base64Transformer.prototype.parse = function (value) {
  if (this._allowBinary) return Base64.decode(value);
  if (!Base64.isBase64(value, this._validationOptions)) return value;
  return Base64.decode(value);
};

Base64Transformer.prototype.reverse = function (source) {
  if (!source && typeof source != 'string') return source;
  return Base64.encode(source);
};

module.exports = Base64Transformer;