How do you compare two objects and bring the properties of objects where changes in another object occurred?

[Pearlaqua]

This is the first object.

  action: 'U',
  author: 'DZC\\PavelK',
  data: {
    accreditationSheetDate: '2021-11-15T00:00:00',
    accreditationSheetNumber: '100',
    accreditationTerm: {
      value: '6 gadi',
      valueEn: '6 years',
    },
    accreditationTermId: '30a827ff-dd9e-4809-bd37-7b619c060aaf',
    accreditationFrom: '2021-11-12T00:00:00',
    accreditationTo: '2021-11-26T00:00:00',
    director: 'asdasdasdasd',
    justification: 'zxfccvxcbn,m',
  },
  date: '2021-11-08T12:44:51.433',
  id: 22,
};

This is the second object.

  action: 'I',
  author: 'DZC\\PavelK',
  data: {
    accreditationSheetDate: '2021-11-17T00:00:00',
    accreditationSheetNumber: '110',
    accreditationTerm: {
      value: '8 gadi',
      valueEn: '8 years',
    },
    accreditationTermId: '30a827ff-dd9e-4567-bd37-7b619c060aaf',
    accreditationFrom: '2021-11-15T00:00:00',
    accreditationTo: '2021-11-25T00:00:00',
    director: 'asdasdasdasd',
    justification: 'zxfccvxcbn,m',
  },
  date: '2021-11-09T14:48:51.433',
  id: 23,
};

We have to get the object of the species. {filedName, previousValue, currentValue, dateOfChange, author} areas changed

[inna]

const obj1 = {
  action: 'U',
  author: 'DZC\\PavelK',
  data: {
    accreditationSheetDate: '2021-11-15T00:00:00',
    accreditationSheetNumber: '100',
    accreditationTerm: {
      value: '6 gadi',
      valueEn: '6 years',
    },
    accreditationTermId: '30a827ff-dd9e-4809-bd37-7b619c060aaf',
    accreditationFrom: '2021-11-12T00:00:00',
    accreditationTo: '2021-11-26T00:00:00',
    director: 'asdasdasdasd',
    justification: 'zxfccvxcbn,m',
  },
  date: '2021-11-08T12:44:51.433',
  id: 22,
};
const obj2 = {

action: 'I',

author: 'DZC\PavelK',

data: {

accreditationSheetDate: '2021-11-17T00:00:00',

accreditationSheetNumber: '110',

accreditationTerm: {

value: '8 gadi',

valueEn: '8 years',

},

accreditationTermId: '30a827ff-dd9e-4567-bd37-7b619c060aaf',

accreditationFrom: '2021-11-15T00:00:00',

accreditationTo: '2021-11-25T00:00:00',

director: 'asdasdasdasd',

justification: 'zxfccvxcbn,m',

},

date: '2021-11-09T14:48:51.433',

id: 23,

};
const convert = (obj1, obj2) => {

return Object.entries(obj1).reduce((acc, [key, value]) => {

if (value instanceof Object) {

return { ...acc, [key]: convert(value, obj2[key]) };

} else if (value !== obj2[key]) {

return { ...acc, [key]: { prev: value, curr: obj2[key] } };

} else return { ...acc };

}, {});

};
console.log(convert(obj1, obj2));

Well, it's on its own.