removePropsFromObject.js

function getKeysToBeRemoved(key) {
  const hasDot = key.includes('.');
  if (!hasDot) {
    return [key];
  }
  const [key1, key2] = key.split('.');
  return [key1, key2];
}

function removePropsFromObject(_obj, keysToRemove) {
  const obj = JSON.parse(JSON.stringify(_obj));
  for (const key of keysToRemove) {
    const keysToBeRemoved = getKeysToBeRemoved(String(key));
    if (keysToBeRemoved.length > 1) {
      delete obj[keysToBeRemoved[0]][keysToBeRemoved[1]];
      continue;
    }
    delete obj[keysToBeRemoved[0]];
  }
  return obj;
}

const test = { a: 1, b: 2, c: { d: 3 } };

console.log(removePropsFromObject(test, ['c.d'])); // { a: 1, b: 2, c: {} }