text: /**
  * JSONfn - javascript (both node.js and browser) plugin to stringify,
  *          parse and clone objects with Functions, Regexp and Date.
  *
  * Version - 1.1.0
  * Copyright (c) Vadim Kiryukhin
  * vkiryukhin @ gmail.com
  * http://www.eslinstructor.net/jsonfn/
  *
  * Licensed under the MIT license ( http://www.opensource.org/licenses/mit-license.php )
  *
  *   USAGE:
  *     browser:
  *         JSONfn.stringify(obj);
  *         JSONfn.parse(str[, date2obj]);
  *         JSONfn.clone(obj[, date2obj]);
  *
  *     nodejs:
  *       var JSONfn = require('path/to/json-fn');
  *       JSONfn.stringify(obj);
  *       JSONfn.parse(str[, date2obj]);
  *       JSONfn.clone(obj[, date2obj]);
  *
  *
  *     @obj      -  Object;
  *     @str      -  String, which is returned by JSONfn.stringify() function;
  *     @date2obj - Boolean (optional); if true, date string in ISO8061 format
  *                 is converted into a Date object; otherwise, it is left as a String.
  */
  
  (function (exports) {
  "use strict";
  
    exports.stringify = function (obj) {
  
      return JSON.stringify(obj, function (key, value) {
        var fnBody;
        if (value instanceof Function || typeof value == 'function') {
  
  
          fnBody = value.toString();
  
          if (fnBody.length < 8 || fnBody.substring(0, 8) !== 'function') { //this is ES6 Arrow Function
            return '_NuFrRa_' + fnBody;
          }
          return fnBody;
        }
        if (value instanceof RegExp) {
          return '_PxEgEr_' + value;
        }
        return value;
      });
    };
  
    exports.parse = function (str, date2obj) {
  
      var iso8061 = date2obj ? /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}(?:\.\d*)?)Z$/ : false;
  
      return JSON.parse(str, function (key, value) {
        var prefix;
  
        if (typeof value != 'string') {
          return value;
        }
        if (value.length < 8) {
          return value;
        }
  
        prefix = value.substring(0, 8);
  
        if (iso8061 && value.match(iso8061)) {
          return new Date(value);
        }
        if (prefix === 'function') {
          return eval('(' + value + ')');
        }
        if (prefix === '_PxEgEr_') {
          return eval(value.slice(8));
        }
        if (prefix === '_NuFrRa_') {
          return eval(value.slice(8));
        }
  
        return value;
      });
    };
  
    exports.clone = function (obj, date2obj) {
      return exports.parse(exports.stringify(obj), date2obj);
    };
  
  }(typeof exports === 'undefined' ? (window.JSONfn = {}) : exports));