text: 'use strict';
  
  const util = require('./util');
  const buildOptions = require('./util').buildOptions;
  const x2j = require('./xmlstr2xmlnode');
  
  //TODO: do it later
  const convertToJsonString = function(node, options) {
    options = buildOptions(options, x2j.defaultOptions, x2j.props);
  
    options.indentBy = options.indentBy || '';
    return _cToJsonStr(node, options, 0);
  };
  
  const _cToJsonStr = function(node, options, level) {
    let jObj = '{';
  
    //traver through all the children
    const keys = Object.keys(node.child);
  
    for (let index = 0; index < keys.length; index++) {
      var tagname = keys[index];
      if (node.child[tagname] && node.child[tagname].length > 1) {
        jObj += '"' + tagname + '" : [ ';
        for (var tag in node.child[tagname]) {
          jObj += _cToJsonStr(node.child[tagname][tag], options) + ' , ';
        }
        jObj = jObj.substr(0, jObj.length - 1) + ' ] '; //remove extra comma in last
      } else {
        jObj += '"' + tagname + '" : ' + _cToJsonStr(node.child[tagname][0], options) + ' ,';
      }
    }
    util.merge(jObj, node.attrsMap);
    //add attrsMap as new children
    if (util.isEmptyObject(jObj)) {
      return util.isExist(node.val) ? node.val : '';
    } else {
      if (util.isExist(node.val)) {
        if (!(typeof node.val === 'string' && (node.val === '' || node.val === options.cdataPositionChar))) {
          jObj += '"' + options.textNodeName + '" : ' + stringval(node.val);
        }
      }
    }
    //add value
    if (jObj[jObj.length - 1] === ',') {
      jObj = jObj.substr(0, jObj.length - 2);
    }
    return jObj + '}';
  };
  
  function stringval(v) {
    if (v === true || v === false || !isNaN(v)) {
      return v;
    } else {
      return '"' + v + '"';
    }
  }
  
  function indentate(options, level) {
    return options.indentBy.repeat(level);
  }
  
  exports.convertToJsonString = convertToJsonString;
  