geocoder.js

const http = require('http');
const fs = require('fs');

function geocode(name) {
    console.log(name)
    let data = '';
    return new Promise((resolve, reject) => {
        http.get('http://nominatim.openstreetmap.org/search?q=' + encodeURIComponent(name) + '&format=json', (res) => {
            if(res.statusCode !== 200) {
                reject('STATUS CODE ' + res.statusCode + ' for ' + name)
            }
            
            res.on('data', (d) => {
                data +=d;
            });
    
            res.on('end', () => {
                resolve(data);
            })
            
        }).on('error', (e) => {
            reject(e);
        });
    })

}

module.exports = function (cities) {
    return Promise.all(cities
        // .filter((city, index) => index < 1)
        .map(city => {
            // страна область город
            return geocode(city[1])
                .then(function(data) {
                    let json;
    
                    try {
                        json = JSON.parse(data);
                    } catch(e) {
                        console.log(e)
                    }
                    if(!json.length) {
                        console.log(city)
                        return;
                    }
                    return [
                        parseInt(city[0]),
                        city[1],
                        city[2],
                        city[3],
                        parseInt(city[4]),
                        parseInt(city[5]),
                        parseFloat(json[0].lat),
                        parseFloat(json[0].lon),
                        parseInt(json[0].place_id),
                        parseInt(json[0].osm_id)
                    ]
                })
                .catch(err => {
                    console.log(err);
                });
    }))
}