remove unwanted json value if not present inside the another json object in node js /javascript

let data = getData();
let anotherObj = getAnotherObj();

let res = data.reduce((acc, curr) => {
  if (!acc[curr.system.name]) {
    acc[curr.system.name] = {};
  }

  let detailsObj = {};
  Object.keys(curr.DataDetails).forEach(key => {
    let values = curr.DataDetails[key];

    // special handling to flatten single attribute objects
    if (values.length === undefined || values.length === 0) {
      let keys = Object.keys(values);
      if (keys.length == 1 && typeof values[keys[0]] !== 'object') {
        detailsObj[key] = values[keys[0]];
        return;
      }
    }

    // clone values to output
    detailsObj[key] = !Array.isArray(values) ? Object.assign({}, values) : [...values];

    // find and replace ids
    let ids = jsonpath.query(detailsObj[key], '$..id');
    ids.forEach((id, i) => {
      if (id in anotherObj) {
        if (Array.isArray(detailsObj[key]))
          detailsObj[key].splice(i, 1, anotherObj[id]);
        else
          detailsObj[key] = anotherObj[id];
      }
    });
  });

  acc[curr.system.name][curr.system.id] = {
    title: curr.system.id,
    uid: curr.system.id,
    url: `/${curr.system.name}/${curr.system.id}`,
    ...detailsObj,
  };
  return acc;
}, {});

document.body.insertAdjacentHTML('beforeend', `<pre>${JSON.stringify(res, undefined, 1)}</pre>`);
console.log(res);



function getData() {
  return [{
      system: {
        id: "4gSSbjCFEorYXqrgDIP2FA",
        type: "Entry",
        name: "User"
      },
      DataDetails: {
        shortOption: {
          "en-us": "some value"
        },
        mediaFile: [{
            sys: {
              type: "Link",
              link: "Asset",
              id: "7kRzyt4PFo",
            },
          },
          {
            sys: {
              type: "Link",
              link: "Asset",
              id: "2OspeCtNK0s",
            },
          },
        ],
        mediaGalary: [{
            sys: {
              type: "Link",
              link: "Asset",
              id: "gHcw3Z1Ko",
            },
          },
          {
            sys: {
              type: "Link",
              linkType: "Asset",
              id: "h2cPiuU9jIz",
            },
          },
        ],
        
      },
    },
    {
      system: {
        id: "1aBOO8tu3lUsjtICuIbUM5",
        type: "Entry",
        name: "User"
      },
      DataDetails: {
        short: {
          "en-us": "details of shorts"
        },
        shortSlugOption: {
          "hi-In": "options"
        },
        booleanField: {
          kl: "true"
        },
      },
    },
    {
      system: {
        id: "2pOUGnI1oRD7nsrYs600HA",
        type: "Entry",
        name: "Dummy"
      },
      DataDetails: {
        testingNewValue: [{
            sys: {
              type: "Link",
              link: "Entry",
              id: "66rzYr2BpWL",
            },
          },
          {
            sys: {
              type: "Link",
              link: "Entry",
              id: "1VTBHdLTdSW",
            },
          },
        ],
      },
    },
    {
      system: {
        id: "66rzYr2BpWL1VTBHdLTdSW",
        type: "Entry",
        name: "new"
      },
      DataDetails: {
        oneReference: {
          sys: {
            type: "Link",
            linkType: "Asset",
            id: "h2cPiuU9jIz",
          },
        },
        multiReference: [{
            sys: {
              type: "Link",
              link: "Asset",
              id: "gHcw3Z1Ko",
            },
          },
          {
            sys: {
              type: "Link",
              link: "Asset",
              id: "h2cPiuU9jIz",
            },
          },
        ],
      },
    },
    {
      system: {
        id: "cIb5mqEBRWDD6hrNmFmFE",
        type: "Entry",
        name: "new"
      },
      DataDetails: {
        testingNewValue: {
          "hi-IN": "jksdsdo"
        }
      },
    },
    {
      system: {
        id: "7kRzyt4PFrX13gHcw3Z1Ko",
        type: "Entry",
        name: "Dummy"
      },
      DataDetails: {
        testingNewValue: {
          "en-us": "kknksdo"
        }
      },
    }
  ];
}


function getAnotherObj() {
  return {
    "h2cPiuU9jIz": {
      status: true,
      tag: [],
      filename: "wallpapers-6.jpg",
      is_dir: false,
      parent_uid: null,
    },
    
    
    "2OspeCtNK0s": {
      status: true,
      tag: [],
      filename: "mediaFile1.jpg",
      is_dir: false,
      parent_uid: null,
    },
    "66rzYr2BpWL": {
      type: 'entry',
      tag: [],
      entry_details: "this is first entry ***",
      is_secret: false,
    },
    "1VTBHdLTdSW": {
      type: 'entry',
      tag: [],
      entry_details: "some other entry ***",
      is_secret: true,
    },
  };
}

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