Prevent Loop No-Leaf Nodes in ExtJS TreeView

Using this overrider function you can stop the loading waiting loop in the TreeView.

    /**
     *  Allow: Stop loading No-Leaf Node.
     *  Author: HACKPRO TM
     *  Post: -
     */
    Ext.override(Ext.tree.TreeLoader, {
     load: function(A, B) {
      if (this.clearOnLoad) {
    while (A.firstChild) {
     A.removeChild(A.firstChild);
    }
    
   }
   
   if (this.doPreload(A)) {
    if (typeof B == "function") {
     B();
    }
    
   } else if (this.dataUrl || this.url) {
    this.requestData(A, B);
   } else if (typeof B == "function") {
    B();
   }
   
  }
  
    });
    
    Ext.override(Ext.tree.TreeNodeUI, {
     updateExpandIcon : function() {
         if (this.rendered) {
             var n = this.node, c1, c2;
             var cls = n.isLast() ? "x-tree-elbow-end" : "x-tree-elbow";
             var hasChild = n.hasChildNodes();
             var cls1 = '';
             
             if (hasChild || n.attributes.expandable || n.attributes.isFolder) {
                 if (n.expanded) {
                     cls1 = "-minus";
                     c1 = "x-tree-node-collapsed";
                     c2 = "x-tree-node-expanded";
                 } else {
                     cls1 = "-plus";
                     c1 = "x-tree-node-expanded";
                     c2 = "x-tree-node-collapsed";
                 }
                 
                 if (this.wasLeaf) {
                     this.removeClass("x-tree-node-leaf");
                     this.wasLeaf = false;
                 }
                 
                 if (n.attributes.isFolder && n.attributes.leaf) {
                  cls1 = '';
                 }
                 
                 cls += cls1;
                 
                 if (this.c1 != c1 || this.c2 != c2) {
                     Ext.fly(this.elNode).replaceClass(c1, c2);
                     this.c1 = c1; this.c2 = c2;
                 }
                 
             } else {
                 if (!this.wasLeaf) {
                     Ext.fly(this.elNode).replaceClass("x-tree-node-expanded", "x-tree-node-leaf");
                     delete this.c1;
                     delete this.c2;
                     this.wasLeaf = true;
                 }
                 
             }
             
             var ecc = "x-tree-ec-icon " + cls;
             
             if (this.ecc != ecc) {
                 this.ecNode.className = ecc;
                 this.ecc = ecc;
             }
             
         }
         
     }
     
 });