Rename JavaScript Object key

rename-object-key.js

const renameObjectKey = (object, oldName, newName) => {
  // if newName is already present in object, replace it with oldName
  if (
    oldName !== newName &&
    Object.prototype.hasOwnProperty.call(object, oldName)
  ) {
    object[newName] = object[oldName];
    delete object[oldName];
  }

  return object;
}