massef

phonesProcessed() {
  const classes = Object.fromEntries(this.classes.map(({ classinfoName: c, items }) => [
    c,
    Object.fromEntries(items.map(n => [
      n[`id${c[0].toUpperCase()}${c.slice(1)}`],
      n.name,
    ])),
  ]));

  return this.phones.map(n =>
    Object.fromEntries(Object.entries(n).map(([ k, v ]) => [
      k,
      classes.hasOwnProperty(k) ? classes[k][v] : v,
    ]))
  );
},

created() {
  [
    [ '5ad979f4-7393-11ea-b9b1-d7fe1923484d', 'classinfo', 'classes' ],
    [ '46bf408d-739d-11ea-b9b1-5301e3b2b9ba', 'phones', 'phones' ],
  ].forEach(([ key, apiPropName, componentPropName ]) => {
    axios
      .get(`https://jsonblob.com/api/${key}`)
      .then(({ data: { [apiPropName]: d } }) => this[componentPropName] = d)
      .catch(e => this.errors.push(e));
  });
},

n,mark,type,view,date
0,bmw,v1,2,01-01-2020
1,bmw,v1,8,02-01-2020
2,bmw,v2,5,04-02-2020
3,audi,v1,3,09-02-2020
4,audi,v1,8,21-03-2020
5,kia,v1,13,24-03-2020

import csv

from datetime import datetime


def get_key(row, basic_path=('mark', 'type',), date_path=('year',)):
    key = '_'.join((str(row[bp]) for bp in basic_path))
    extra_key = '-'.join((str(getattr(row['date'], dp)) for dp in date_path))
    return f'{key}_{extra_key}'


def combine_rows(target_row, row):
    target_row['view'] += row['view']


def read_rows(path):
    with open(path, 'r') as handler:
        reader = csv.DictReader(handler)

        for row in reader:
            row['view'] = int(row['view'])
            row['date'] = datetime.strptime(row['date'], '%d-%m-%Y')

            yield row


def main():
    result = dict()

    basic_path = ('mark', 'type',)
    date_path = ('year',)

    for row in read_rows('test.csv'):
        key = get_key(row=row, basic_path=basic_path, date_path=date_path)

        if key not in result:
            result[key] = row
        else:
            combine_rows(target_row=result[key], row=row)

    for value in result.values():
        print(value)


if __name__ == '__main__':
    main()

basic_path = ('mark', 'type',)
date_path = ('year',)

{'n': '0', 'mark': 'bmw', 'type': 'v1', 'view': 10, 'date': datetime.datetime(2020, 1, 1, 0, 0)}
{'n': '2', 'mark': 'bmw', 'type': 'v2', 'view': 5, 'date': datetime.datetime(2020, 2, 4, 0, 0)}
{'n': '3', 'mark': 'audi', 'type': 'v1', 'view': 11, 'date': datetime.datetime(2020, 2, 9, 0, 0)}
{'n': '5', 'mark': 'kia', 'type': 'v1', 'view': 13, 'date': datetime.datetime(2020, 3, 24, 0, 0)}

basic_path = ('mark', 'type',)
date_path = ('month', 'year',)

{'n': '0', 'mark': 'bmw', 'type': 'v1', 'view': 10, 'date': datetime.datetime(2020, 1, 1, 0, 0)}
{'n': '2', 'mark': 'bmw', 'type': 'v2', 'view': 5, 'date': datetime.datetime(2020, 2, 4, 0, 0)}
{'n': '3', 'mark': 'audi', 'type': 'v1', 'view': 3, 'date': datetime.datetime(2020, 2, 9, 0, 0)}
{'n': '4', 'mark': 'audi', 'type': 'v1', 'view': 8, 'date': datetime.datetime(2020, 3, 21, 0, 0)}
{'n': '5', 'mark': 'kia', 'type': 'v1', 'view': 13, 'date': datetime.datetime(2020, 3, 24, 0, 0)}

const numbers = (string.match(/-?\d+(\.\d+)?/g) || []).map(Number);

console.clear();

var root = 'https://jsonplaceholder.typicode.com';

function requestOne(callback) {
    return $.ajax({
        type: "GET",
        url: root + '/posts/1',
        // dataType: "json",
        success: callback
    });
}

function requestTwo(callback) {
    return $.ajax({
        type: "GET",
        url: root + '/posts/2',
        // dataType: "json",
        success: callback
    });
}

function result() {
  var deffered1 = requestOne();
  var deffered2 = requestTwo();

  $.when(deffered1, deffered2).done(function(r1, r2) {
    console.log(r1[0].id + r2[0].id);
  })
  
  // результатом хотел видеть сложение двух айдишников
  // console.log(r1 + r2);
}
result();

requestOne( function( data ) {
    var r = false;
    if ( data ) {
        var r1 = data.id;
        requestTwo( function( data ) {
            if ( data ) {
                var r2 = data.id;
                console.log( r1 + r2 );
            }
        } );
    }
} );

var filteredArray = sourceArray.filter(function(e) {
  return e.someKey !== null && e.someKey !== undefined;
});