nested object iteration

nestedObjectIter.js

function stripCartId(mainObj) {
	function nestedSearch(obj) {
		Object.keys(obj).forEach(function (key) {
	        if (key === 'cart') {
	        	delete obj[key].id;
	        }
	        if (typeof obj[key] === 'object') {
	            return nestedSearch(obj[key]);
	        }
	    });
	    return obj;
	}



function iterObj(obj) {
  for (var key in obj) {
    if (typeof obj[key] === "string") {
    	// Do something	
    }
    if (obj[key] !== null && typeof obj[key] === "object") {
      // Recurse into children
      iterObj(obj[key]);
    }
  }
}
	return nestedSearch(_.cloneDeep(mainObj));
}