Using JSZip and Leaflet Omnivore to display a KMZ file (JSZip 3.0.0 version)

by jcorbett

HTML

<script src="//cdn.leafletjs.com/leaflet/v1.0.0-beta.2/leaflet.js"></script>
<link rel="stylesheet" href="//cdn.leafletjs.com/leaflet/v1.0.0-beta.2/leaflet.css">
<script src="//api.tiles.mapbox.com/mapbox.js/plugins/leaflet-omnivore/v0.3.1/leaflet-omnivore.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jszip/3.0.0/jszip.min.js"></script>
<script src="//rawgit.com/Stuk/jszip-utils/master/dist/jszip-utils.min.js"></script>
<div id="map"></div>
<div id="loader" style="display: none;"></div>

CSS

html,
body,
#map {
  height: 100%;
  width: 100%;
  padding: 0px;
  margin: 0px;
}

JavaScript

/////////////////////////////////////////////////////////////////////////////////////////////
//setting up the map//
/////////////////////////////////////////////////////////////////////////////////////////////
var map = L.map('map').setView([37.431441,-75.905445], 11);
ATTR = '&copy; <a href="http://openstreetmap.org">OpenStreetMap</a> contributors, ' +
  '<a href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a> | ' +
  '&copy; <a href="http://cartodb.com/attributions">CartoDB</a>';
CDB_URL = 'http://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png';
L.tileLayer(CDB_URL, {
  attribution: ATTR
}).addTo(map);

/////////////////////////////////////////////////////////////////////////////////////////////
//adding data//
/////////////////////////////////////////////////////////////////////////////////////////////

var kmzUrl = 'https://nx2.projectorbit.com/CollaborationFiles/Correspondence/Monitoring%20NX2%2020181128083329.kmz'

JSZipUtils.getBinaryContent(kmzUrl, function(err, data) {
  if(err) {
    alert(err);
    return;
  }
  try {
    JSZip.loadAsync(data)
    .then(function(zip) {
      return zip.file(/.*\.kml/)[0].async("string");
    })
    .then(function success(text) {
        var p = omnivore.kml.parse(text).addTo(map);
        p.eachLayer(function(layer){
          layer.bindPopup('<div style="width:300px">' + layer.feature.properties.description + '</div>');
        });
      }, 
      function error(e) {
      alert(e);
    });
  } catch(e) {
    alert(e);
  }
});