Mapping array in Vue JS

Question

I'm developing a small application in VueJS 2.0 where I'm having a data set something like this:

{"data":
    [
        {
            "id":8,
            "salutation":"Mr",
            "first_name":"Madhu",
            "last_name":"Kela",
            "number":"2343253455",
            "mobile":"3252345435",
            "email":"[email protected]",
            "alt_email":null,
            "address":"Mumbai BKC",
            "city":"Mumbai",
            "state":null,
            "country":"India",
            "profile":null,
            "sectors_interested":"[\"Insurance\",\"Infrastructure\",\"Information Technology\",\"hevy machines\",\"Healtcare\"]",
            "companies_interested":"[4]",
            "interactions_count":11,
            "client_interactions_count":0,
            "company":[
                {
                    "id":7,
                    "name":"Reliance MF",
                    "address":"Mumbai BKC",
                    "city":"Mumbai",
                    "state":null,
                    "country":"India",
                    "type":"Investor",
                    "sub_type":"Mutual Fund",
                    "is_client":0,
                    "pivot":{
                        "contact_id":8,
                        "company_id":7,
                        "created_at":"2017-07-01 17:07:08",
                        "updated_at":"2017-07-01 17:07:08"
                    }
                }
            ]
        },
        {
            "id":7,
            "salutation":"Ms",
            "first_name":"XYZ",
            "last_name":"ABC",
            "number":"1847171087",
            "mobile":"8327523057",
            "email":"[email protected]",
            "alt_email":null,
            "address":"Mumbai",
            "city":"Mumbai",
            "state":null,
            "country":"India",
            "profile":null,
            "sectors_interested":"[\"Insurance\",\"Information Technology\",\"Infrastructure\",\"hevy machines\"]",
            "companies_interested":"[6,4]",
            "interactions_count":8,
            "client_interactions_count":0,
            "company":[
                {
                    "id":3,
                    "name":"Franklin Fun",
                    "address":"Mumbai",
                    "city":"Mumbai",
                    "state":null,
                    "country":"India",
                    "type":"Investor",
                    "sub_type":"Mutual Fund",
                    "is_client":0,
                    "pivot":{
                        "contact_id":7,
                        "company_id":3,
                        "created_at":"2017-07-01 16:59:41",
                        "updated_at":"2017-07-01 16:59:41"
                    }
                }
            ]
        }
    ]
}

I want map these values something like this:

return this.model.map(d => ({
    name: d.first_name + ' ' +d.last_name,
    company: d.company[0].name,
    email: d.email,
    mobile: d.mobile,
    profile: d.profile,
    count: d.interactions_count ? d.interactions_count : d.client_interactions_count
}))

Also as you see in the code I want to place interactions_count by comparing i.e. if interactions_count is 0 I want to map with client_interactions_count, I'm unable to get company name from the first array parameter, and order it with the count in descending order whatever it comes by response. Help me out in this. Thanks.

Please make sure the variable names in your code examples match. Also, have you tried to just dump d? You will see if maybe the company name is undefined. — Jan Wirth
– Jan Wirth, Commented Aug 15, 2017 at 9:02
Dont you have to do this.modal.data, 'cause this object is in "model" variable, you still have data there. — euvl
– euvl, Commented Aug 15, 2017 at 9:02
If it is undefined, the problem is not within your map lambda. — Jan Wirth
– Jan Wirth, Commented Aug 15, 2017 at 9:04
@yev yes while placing it in model through response I'm doing something like this. this.model = response.data.data — Nitish Kumar
– Nitish Kumar, Commented Aug 15, 2017 at 9:05

kevguy · Accepted Answer · 2017-08-15 09:15:31Z

const data = [
    {
        "id":8,
        "salutation":"Mr",
        "first_name":"Madhu",
        "last_name":"Kela",
        "number":"2343253455",
        "mobile":"3252345435",
        "email":"[email protected]",
        "alt_email":null,
        "address":"Mumbai BKC",
        "city":"Mumbai",
        "state":null,
        "country":"India",
        "profile":null,
        "sectors_interested":"[\"Insurance\",\"Infrastructure\",\"Information Technology\",\"hevy machines\",\"Healtcare\"]",
        "companies_interested":"[4]",
        "interactions_count":11,
        "client_interactions_count":0,
        "company":[
            {
                "id":7,
                "name":"Reliance MF",
                "address":"Mumbai BKC",
                "city":"Mumbai",
                "state":null,
                "country":"India",
                "type":"Investor",
                "sub_type":"Mutual Fund",
                "is_client":0,
                "pivot":{
                    "contact_id":8,
                    "company_id":7,
                    "created_at":"2017-07-01 17:07:08",
                    "updated_at":"2017-07-01 17:07:08"
                }
            }
        ]
    },
    {
        "id":7,
        "salutation":"Ms",
        "first_name":"XYZ",
        "last_name":"ABC",
        "number":"1847171087",
        "mobile":"8327523057",
        "email":"[email protected]",
        "alt_email":null,
        "address":"Mumbai",
        "city":"Mumbai",
        "state":null,
        "country":"India",
        "profile":null,
        "sectors_interested":"[\"Insurance\",\"Information Technology\",\"Infrastructure\",\"hevy machines\"]",
        "companies_interested":"[6,4]",
        "interactions_count":8,
        "client_interactions_count":0,
        "company":[
            {
                "id":3,
                "name":"Franklin Fun",
                "address":"Mumbai",
                "city":"Mumbai",
                "state":null,
                "country":"India",
                "type":"Investor",
                "sub_type":"Mutual Fund",
                "is_client":0,
                "pivot":{
                    "contact_id":7,
                    "company_id":3,
                    "created_at":"2017-07-01 16:59:41",
                    "updated_at":"2017-07-01 16:59:41"
                }
            }
        ]
    }
];

const result = data.map((item) => {
  return {
    name: item.first_name + ' ' + item.last_name,
    company: item.company[0].name,
    email: item.email,
    mobile: item.mobile,
    profile: item.profile,
    count: item.interactions_count ? item.interactions_count : item.client_interactions_count
  };
}).sort((a, b) => b.count - a.count); 

console.log(result);

Is there any way to sort this with count values in descending order?

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