How to JSON.stringify multiple objects returned from Loop

Question

Here is my mvc code, I want to add multiple travelers objects to travelers array which are generated in a loop and then JSON.stringify them,

return amadeus.booking.flightOrders.post(
        JSON.stringify({
          'data':{
            'type': 'flight-order',
            'flightOffers': [response.data.flightOffers[0]],  
           'travelers':[{
              "id": 1,
              "name": {
                "firstName": req.body.firstname,
                "lastName": req.body.lastname
              },
              "gender": req.body.gender,
              "contact": {
                "emailAddress": req.body.emailaddress,
                "phones": [{
                  "deviceType": req.body.devicetype,
                  "countryCallingCode": req.body.countrycallingcode,
                  "number": req.body.number
                }]
              },
              "documents": [{
                "documentType": req.body.documentype,
                "birthPlace": req.body.birthplace,
                "issuanceLocation": req.body.issuancelocation,
                "issuanceDate": req.body.issuancedate,
                "number": req.body.p_number,
                "expiryDate": req.body.expirydate,
                "issuanceCountry": req.body.issuancecountry,
                "validityCountry": req.body.validitycountry,
                "nationality": req.body.nationality,
                "holder": true
              }]
            }]
        } 
      })
      );

I there a simple way to achieve that?

JSON.stringify is a function. it expects a value to be passed to it. There's nothing stopping you from building that value outside of the JSON.stringify call's argument list. — user400654
– user400654, Commented Oct 7, 2020 at 14:30
You can add multiple travelers to the travelers array and stringify it, it has nothing to do with JSON.stringify — Metabolic
– Metabolic, Commented Oct 7, 2020 at 14:33
@MetaPakistani is there any way to insert travelers through loop? — agha hamza
– agha hamza, Commented Oct 7, 2020 at 14:52

Metabolic · Accepted Answer · 2020-10-07 15:33:36Z

JSON.stringify converts a JS object to a string. It does not control or require any specifications for the object's structure in general.

In your case, you can simply add multiple data objects to your travelers' array e.g

return amadeus.booking.flightOrders.post(
    JSON.stringify({
      'data':{
        'type': 'flight-order',
        'flightOffers': [response.data.flightOffers[0]],  
       'travelers':[{
          "id": 1,
          "name": {
            "firstName": req.body.firstname,
            "lastName": req.body.lastname
          },
          "gender": req.body.gender,
          "contact": {
            "emailAddress": req.body.emailaddress,
            "phones": [{
              "deviceType": req.body.devicetype,
              "countryCallingCode": req.body.countrycallingcode,
              "number": req.body.number
            }]
          },
          "documents": [{
            "documentType": req.body.documentype,
            "birthPlace": req.body.birthplace,
            "issuanceLocation": req.body.issuancelocation,
            "issuanceDate": req.body.issuancedate,
            "number": req.body.p_number,
            "expiryDate": req.body.expirydate,
            "issuanceCountry": req.body.issuancecountry,
            "validityCountry": req.body.validitycountry,
            "nationality": req.body.nationality,
            "holder": true
          }]
        },{
          "id": 2,
          "name": {
            "firstName": req.body.firstname,
            "lastName": req.body.lastname
          },
          "gender": req.body.gender,
          "contact": {
            "emailAddress": req.body.emailaddress,
            "phones": [{
              "deviceType": req.body.devicetype,
              "countryCallingCode": req.body.countrycallingcode,
              "number": req.body.number
            }]
          },
          "documents": [{
            "documentType": req.body.documentype,
            "birthPlace": req.body.birthplace,
            "issuanceLocation": req.body.issuancelocation,
            "issuanceDate": req.body.issuancedate,
            "number": req.body.p_number,
            "expiryDate": req.body.expirydate,
            "issuanceCountry": req.body.issuancecountry,
            "validityCountry": req.body.validitycountry,
            "nationality": req.body.nationality,
            "holder": true
          }]
        },{
          "id": 3,
           .
           .
           .
        },{
          "id": 4,
           .
           .
           .
        }]
      } 
    })
  );

and JSON.stringify will convert whole object to string.

To loop on data and add the travelers array, one approach will be:

const travelers = [];
for(let i=0;i<10;i++){

   travelers.push({});
}

and then

return amadeus.booking.flightOrders.post(
    JSON.stringify({
      'data':{
        'type': 'flight-order',
        'flightOffers': [response.data.flightOffers[0]],  
       'travelers': travelers
      } 
    })
  );

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