D3 Examples - CSV on a GL map!

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<!DOCTYPE html>
<html>
<head>
    <meta charset='utf-8' />
    <title></title>
    <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
    <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.38.0/mapbox-gl.js'></script>
    <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.38.0/mapbox-gl.css' rel='stylesheet' />
    <script src='csv2geojson.js'></script>
    <style>
        body { margin:0; padding:0; }
        #map { position:absolute; top:0; bottom:0; width:100%; }
    </style>
</head>
<body>
​
<div id='map'></div>
<script>
mapboxgl.accessToken = 'pk.eyJ1IjoiZGFuc3dpY2siLCJhIjoiY2l1dTUzcmgxMDJ0djJ0b2VhY2sxNXBiMyJ9.25Qs4HNEkHubd4_Awbd8Og';
var map = new mapboxgl.Map({
    container: 'map', // container id
    style: 'mapbox://styles/mapbox/streets-v8', //stylesheet location
    center: [ -89.89709901792442, 41.29146740952274], // starting position
    zoom: 3 // starting zoom
});
​
  
​
var getCSV = function(url, callback) {
    var xhr = new XMLHttpRequest();
    xhr.open('GET', url, true);
    xhr.setRequestHeader('Accept', 'text/plain');
    xhr.onerror = function(e) {
        callback(e);
    };
    xhr.onload = function() {
        if (xhr.status >= 200 && xhr.status < 300 && xhr.response) {
            var data;
            try {
                data = xhr.response;
            } catch (err) {
                return callback(err);
            }
            callback(null, data);
        } else {
            callback(new Error(xhr.statusText));
        }
    };
    xhr.send();
    return xhr;
};
  
$(document).ready(function() {
    var myUrl = 'https://youthmap-chapter-mapproxy.herokuapp.com/docs.google.com/spreadsheets/d/13yswnN49P0dsO5BS2FJYaVUIjsnuWbzA3UxvhcLUsYI/export?format=csv&id=13yswnN49P0dsO5BS2FJYaVUIjsnuWbzA3UxvhcLUsYI'
      var getCSVCallback = function (err, csvdata) {
​
        if (err) { return callback(err) }
        csv2geojson.csv2geojson(csvdata, params, callback);
        //console.log('data', data, params)
    }
    getCSV(myUrl, makeGeoJSON);
  
  /*
    $.ajax({
        type: "GET",
        url: 'https://youthmap-chapter-mapproxy.herokuapp.com/docs.google.com/spreadsheets/d/13yswnN49P0dsO5BS2FJYaVUIjsnuWbzA3UxvhcLUsYI/export?format=csv&id=13yswnN49P0dsO5BS2FJYaVUIjsnuWbzA3UxvhcLUsYI',
        dataType: "text",
        success: function(csvData) {makeGeoJSON(csvData);}
     });*/
});
​
function makeGeoJSON(err, csvData) {
  
          if (err) { console.log(err) }
​
    csv2geojson.csv2geojson(csvData, {
        latfield: 'Latitude',
        lonfield: 'Longitude',
        delimiter: ','
    }, function(err, data) {
        map.on('load', function () {
​
            map.addLayer({
                'id': 'airports',
                'type': 'symbol',
                'source': {
                    'type': 'geojson',
                    'data': data
                },
                'layout': {
                    "icon-image": "marker-15"
                },
                'paint': {}
            });
        });    
    });
}
</script>
​
</body>
</html>
    