Das Dojo erklärt den richtigen Weg

Datei:dojo/dir1/utils/XmlJsonUtils.js

// Author: Rajat Khandelwal

define([
    "dojo/_base/declare" // declare
    ], function(declare){
      return declare("dir1.utils.XmlJsonUtils",[],{
        parseXml : function (xml) {
                     var self=this;
                     var dom = null;
                     if (window.DOMParser) {
                       try { 
                         dom = (new DOMParser()).parseFromString(xml, "text/xml"); 
                       } 
                       catch (e) { dom = null; }
                     }
                     else if (window.ActiveXObject) {
                       try {
                         dom = new ActiveXObject('Microsoft.XMLDOM');
                         dom.async = false;
                         if (!dom.loadXML(xml)) // parse error ..

        window.alert(dom.parseError.reason + dom.parseError.srcText);
                       } 
                       catch (e) { dom = null; }
                     }
                     else
                       alert("cannot parse xml string!");
                     return dom;
                   },
                 xml2json  : function (xmldata)
                 {
                   var self=this;
                   if(xmldata.firstChild==null)
                   {
                     return {name:xmldata.nodeName+": (value null)", checked: true}
                   }
                   else if(xmldata.firstChild.nodeType==3)
                   {
                     return {name:xmldata.nodeName+": "+xmldata.firstChild.nodeValue, checked:true}
                   }
                   else
                   {
                     var mychildren=[];
                     var i=0;
                     var nochildren=xmldata.childElementCount
                       for(i=0;i<nochildren;i++)
                       {
                         var j=self.xml2json(xmldata.childNodes[i])
                           mychildren[i]=j
                       }
                     var ret= {name:xmldata.nodeName, children:mychildren, checked:true}
                     return ret
                   }
                 },

                 convert2arr : function (result,ctr,res_arr)
                 {
                   var self=this;
                   if(result[ctr].checked[0]==false)
                     return;
                   if(result[ctr].children==undefined)
                   {
                     var name=result[ctr]['name'][0];
                     var kv = name.split(': ');
                     if(kv[1]=="(value null)")
                       kv[1]="";
                     res_arr.push.apply(res_arr,["<",kv[0],">",kv[1],"</",kv[0],">"]);
                     return ctr+1;
                   }
                   else
                   {
                     var i=ctr;
                     var new_ctr=ctr;
                     var no_children=result[ctr].children.length;
                     res_arr.push.apply(res_arr,["<",result[ctr].name[0],">"])
                       for(i=0;i<no_children;i++)
                       {
                         new_ctr=self.convert2arr(result,result[ctr].children[i]._0,res_arr)
                       }
                     res_arr.push.apply(res_arr,["</",result[ctr].name[0],">"]);
                     return new_ctr;
                   }
                 },
                 convert2xml : function (result)
                 {
                   var arr=[]
                     self.convert2arr(result, 0, arr)
                     return arr.join('')
                 }
      })
    })

aber wenn im code ichrequire dasdir1.utils.XmlJsonUtils, es sagtUncaught Error: declare XmlJsonUtils: base class is not a callable constructor. Was ist der richtige Weg, um einige Utility-Funktionen zu deklarieren?

Und diese sollten wie statische Funktionen sein. Ich will nichtx=new XmlJsonUtils(); x.parseXml(..). Ich will das tunXmlJsonUtils.parseXml(..)

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