Function default

Update the nodes by keys and update function

Example

import { addNodeLevel } from "tree-handle-lib";
const node = [{
   id: 1,
   name: 'node1',
   children: [
     {
       id: 2,
       name: 'node2',
       children: [
         {
           id: 3,
           name: 'node3',
           children: [
             {
               id: 4,
               name: 'node4'
             }
           ]
         }
       ]
     }
   ]
 }];
const result = addNodeLevel(node);

// console.log(JSON.stringify(result))
[
 {
     id: 1,
     name: 'node1',
     level: 0,
     children: [
       {
         id: 2,
         name: 'node2',
         level: 1,
         children: [
           {
             id: 3,
             name: 'node3',
             level: 2,
             children: [
               {
                 id: 4,
                 name: 'node4',
                 level: 3
               }
             ]
           }
         ]
       }
     ]
   }
];
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