Simple ternary operator

Question

 var args = {VehicleManipulation:[{
                        'a:Amount':[Amount],
                        'a:Comment':[Comment],
                        'a:Date':[date],
                        'a:DispatchingVehicleManipulationReasonID':[ReasonID],
                        'a:Distance':[Distance],
                     frEndTime? 'a:FirstDeadheadTripEndTime':[frEndTime], :'', 
                        'a:FirstDeadheadTripStartTime':[frStartTime],
                        'a:SecondDeadheadTripEndTime':[secondEndTime],
                        'a:SecondDeadheadTripStartTime':[secondStartTime],
                        'a:SubsystemID':[SubsystemNO],
                        'a:VehicleID':[VehicleID],
                        'a:VehicleManipulationID':[VehicleManipulationID],
                        'a:VehicleName':[VehicleName],
        }]};

How to put ternary operator to my example?

if variable has value put this line of code 'a:FirstDeadheadTripEndTime':[frEndTime], if not do not put anything

now I have syntax error

Nina Scholz · Answer 1 · 2018-08-17T07:16:20.490

1

You need the property first. And then the conditional operator.

'a:FirstDeadheadTripEndTime': frEndTime ? [frEndTime] : '',

if frEndTime dont have value I do not want to put 'a:FirstDeadheadTripEndTime'

Then you could use another object with a spreading object (if possible)

'a:Distance':[Distance],
...(frEndTime ? { 'a:FirstDeadheadTripEndTime': [frEndTime] } : {}),
'a:FirstDeadheadTripStartTime':[frStartTime],

edited Aug 17 '18 at 07:16

answered Aug 17 '18 at 07:11

Nina Scholz

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if frEndTime dont have value I do not want to put 'a:FirstDeadheadTripEndTime' – Bobek Aug 17 '18 at 07:13

score 0 · Answer 2 · answered Aug 17 '18 at 07:13

You are missing key in your object which is incorrect. You need to do:

  var args = {
  VehicleManipulation: [{
    'a:Amount': [Amount],
    'a:Comment': [Comment],
    'a:Date': [date],
    'a:DispatchingVehicleManipulationReasonID': [ReasonID],
    'a:Distance': [Distance],
    'a:FirstDeadheadTripStartTime': [frStartTime],
    'a:SecondDeadheadTripEndTime': [secondEndTime],
    'a:SecondDeadheadTripStartTime': [secondStartTime],
    'a:SubsystemID': [SubsystemNO],
    'a:VehicleID': [VehicleID],
    'a:VehicleManipulationID': [VehicleManipulationID],
    'a:VehicleName': [VehicleName],
  }]
};
if(frEndTime){
  args.VehicleManipulation[0]['a:FirstDeadheadTripEndTime'] = frEndTime
}

Doing this will only add the key a:FirstDeadheadTripEndTime if frEndTime value exist.

Using this code will add the key `'a:FirstDeadheadTripEndTime'` only when `frEndTime` is defined — Ankit Agarwal, Aug 17 '18 at 07:17

Simple ternary operator

2 Answers2