SimpleDiffing.js

getDiff: function (fromFile, fromSafe) {
  var diffs = [];

  if (fromFile.users)
    fromFile = fromFile.users;

  if (fromSafe.Response)
    fromSafe = fromSafe.Response.EmployeeData.Employee;

  for (let i = 0; i < fromFile.length; i++) {
    let EmployeeType = fromFile[i].Level === "M" ? " Manager " : " Clerk ";

    if (_.findWhere(fromSafe, {"Name": " " + fromFile[i].Name + " ", "EmployeeType": EmployeeType}) === undefined) {
      diffs.push({
        "EmployeeType": fromFile[i].Level === "M" ? "Manager" : "Clerk",
        "Name": fromFile[i].Name,
        "PIN": fromFile[i].PIN,
        "action": "add"
      });
    }
  }

  for (let i = 0; i < fromSafe.length; i++) {
    let EmployeeType = fromSafe[i].EmployeeType === " Manager " ? "M" : "C";

    if (_.findWhere(fromFile, {"Name": fromSafe[i].Name.trim(), "Level": EmployeeType}) === undefined) {
      diffs.push({
        "EmployeeType": fromSafe[i].EmployeeType,
        "Name": fromSafe[i].Name,
        "action": "delete"
      });
    }
  }
  return diffs;
},