Javascript search JSON for name return parent object

Using this JSON object I am trying to find the parent object of xpublisher:

{
 type: "object",
 title: "Scalars",
 properties: {
   stringProperty: {
     description: "Property name's description (type is string)",
     type: "string",
     examples: [
       "example",
       "sample",
     ],
     xpublisher: [
       "Greg",
       "Tom",
     ],
   },
   writeOnlyStringProperty: {
     description: "Notice this only appears in the request.",
     xpublisher: [
       "John",
       "Anna",
     ],
     type: "string",
     writeOnly: true,
     examples: [
       "example",
     ],
   },
   minLengthString: {
     xpublisher: [
       "Nancy",
       "Tim",
     ],
     description: "Property name's description (type is string)",
     type: "string",
     minLength: 4,
     examples: [
       "example",
     ],
   },
 },
 }

I would like to search for xpublisher and return the parent object that includes the xpublisher tag so the first one found would be:

stringProperty: {
    description: "Property name's description (type is string)",
    type: "string",
    examples: [
      "example",
      "sample",
    ],
    xpublisher: [
      "Greg",
      "Tom",
    ],
  },

I have tried a few different way including:

   function getPublishers(obj, name) {
      let result = [];
      for (var key in obj) {
          let keyName = obj[key]
          console.log(keyName)
          if (obj.hasOwnProperty(key)) {
              if ("object" == typeof(obj[key])) {
                  getPublishers(obj[key], name);
              } else if (key == name) {
                  result.push(obj[key]);
              }
          }
      }
      return result;
  }

And I also tried to find the key name this way also.

function searchObject(obj, name) {
   let result = Object.keys(obj).find(k => obj[k][name]);
   return result;
}

The code seems to only find key numbers not actually the key names so I can then grab the object.

>Solution :

You can modify your function to keep track of the parent object when the desired property is found.

function findParentObject(obj, targetPropertyName, parent = null) {
  for (const key in obj) {
    if (obj.hasOwnProperty(key)) {
      if (key === targetPropertyName) {
        return parent;
      } else if (typeof obj[key] === 'object' && obj[key] !== null) {
        const result = findParentObject(obj[key], targetPropertyName, obj);
        if (result !== null) {
          return result;
        }
      }
    }
  }
  return null;
}

const yourJsonObject = {
  // ... your JSON object ...
};

const parentObject = findParentObject(yourJsonObject.properties, 'xpublisher');
console.log(parentObject);

You can call this function with the properties object from your JSON.

const parentObject = findParentObject(yourJsonObject.properties, 'xpublisher');
console.log(parentObject);