Map simple fields

flatten-employee-record.js

const createRecord = (worker) => {
  row = {}
  
  // Map top level fields - simple
  row.id = worker.Worker_Reference_Employee_ID
  row.user_id = worker.Worker_Data.User_ID
  row.birthday = worker.Worker_Data.Personal_Data.Birth_Date
  
  // Map name - nested
  const preferred_name = worker.Worker_Data.Personal_Data.Name_Data.Preferred_Name_Data.Name_Detail_Data
  row.first_name = preferred_name.First_Name
  row.last_name = preferred_name.Last_Name
  
  return row
}