Delete a (nested) key from JSON object

key-del.js

// works with just one key to delete (for now) by proving 
// complete path (i.e 'rows.0.panels.0.password') or 
// just key name (i.e 'password')

import '_' from 'lodash';

const DOT_SEPARATOR = ".";

function checkPath(arr, object){
  arr.forEach((chunk, index, array)=> {
    if(_.isObject(object[chunk]) ){
      if(index != array.length - 1){
        checkPath(arr.slice(index + 1), object[chunk]);          
      } else {
        //is obj but IS last then DELETE
        delete object[chunk];
      }
    } else { 
      delete object[chunk];
    }
  });
}



const recursiveClean = (object, keysToDelete) =>{
  Object.keys(object).forEach(key =>{
    if (keysToDelete.indexOf(DOT_SEPARATOR) > -1 ){
        const chunks = keysToDelete.split(DOT_SEPARATOR);
        if((chunks[0] == key) && _.isObject(object[key])){
          checkPath(chunks, object);
      } 
    } else if (keysToDelete.indexOf(key) > -1){
      delete object[key];
    } else if (_.isObject(object[key])) {
        return recursiveClean(object[key], keysToDelete);
    }
  });
  return object;
};

const deleteKeyFromObject = (obj, keysToDelete) => {
  return recursiveClean(_.clone(obj, true), keysToDelete);
};

// json object to test with
const jsonObj = {
  "__inputs": [],
  "__requires": [
    {
      "type": "grafana",
      "id": "grafana",
      "name": "Grafana",
      "version": "4.1.0"
    },
    {
      "type": "panel",
      "id": "powelectrics-train-table-panel",
      "name": "Powelectrics Train Table",
      "version": "0.0.1"
    }
  ],
  "annotations": {
    "list": []
  },
  "rows": [
    {
      "collapse": false,
      "height": "250px",
      "panels": [
        {
          "apiBaseUrl": "http://api.XXXXXXX.com",
          "fontSize": "100%",
          "id": 1,
          "pageSize": null,
          "password": "XXXXXX",
          "scroll": true,
          "showHeader": true,
          "sort": {
            "col": 0,
            "desc": true
          },
          "span": 12,
       
          "targets": [
            {}
          ],
          "tenantName": "XXXXXXXX",
          "type": "table",
          "username": "XXXXXXXXXX"
        }
      ],
    }
  ],
 
};

console.log(deleteKeyFromObject(jsonObj, 'password'));
console.log(deleteKeyFromObject(jsonObj, 'rows.0.panels.0.password'));