Leaflet With simplestyle Markers

An example of LeafletJS using OpenStreetMap tiles and the Markers API (use the same API signature as Mapbox Markers API). You can define your own marker styles using the options outlined in simplestyle-spec, including all Maki icons.

<!DOCTYPE html>
<html>
  <head>
    <meta charset=utf-8>
    <meta name=description content="">
    <meta name=viewport content="width=device-width, initial-scale=1">
    <title></title>
    <link rel="stylesheet" href="https://unpkg.com/leaflet@1.2.0/dist/leaflet.css" />
    <style>
      html, body {
        height: 100%;
        padding: 0;
        margin: 0;
      }
      #map {
        /* configure the size of the map */
        width: 100%;
        height: 100%;
      }
    </style>
  </head>
  <body>
    <div id='map'></div>
    <script src="https://unpkg.com/leaflet@1.2.0/dist/leaflet.js"></script>
    <script>
      var map = L.map('map').setView([37.9, -77], 10);

// add the OpenStreetMap tiles
      L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
        maxZoom: 19,
        attribution: '&copy; <a href="https://openstreetmap.org/copyright">OpenStreetMap contributors</a>'
      }).addTo(map);

var gj = {
        type: 'FeatureCollection',
        features: [{
          type: 'Feature',
          geometry: {
            coordinates: [-77, 37.9],
            type: 'Point'
          },
          properties: {
            'marker-color': '#000',
            'marker-symbol': 'star-stroked',
            'marker-size': 'large',
            'title': 'Example Marker',
            'description': 'This is a single marker.'
          }
        }, {
          type: 'Feature',
          geometry: {
            coordinates: [-77.1, 37.8],
            type: 'Point'
          },
          properties: {
            'marker-color': '#f00',
            'marker-symbol': 'star',
            'marker-size': 'small',
            'title': 'Example Marker',
            'description': 'This is a single marker.'
          }
        }]
      };
      // See https://github.com/mapbox/simplestyle-spec
      (new L.GeoJSON(gj, {
        pointToLayer: function(f, latlon) {
          var sizes = {
            small: [20, 50],
            medium: [30, 70],
            large: [35, 90]
          };

var fp = f.properties || {};
          var size = fp['marker-size'] || 'medium';
          var symbol = (fp['marker-symbol']) ? '-' + fp['marker-symbol'] : '';
          var color = fp['marker-color'] || '7e7e7e';
          color = color.replace('#', '');

var url = 'https://ws.webgeodatavore.com/v4/marker/' +
            'pin-' +
            // Internet Explorer does not support the `size[0]` syntax.
            size.charAt(0) + symbol + '+' + color +
            ((window.devicePixelRatio === 2) ? '@2x' : '') +
            '.png';

return new L.Marker(latlon, {
            icon: new L.icon({
              iconUrl: url,
              iconSize: sizes[size],
              iconAnchor: [sizes[size][0] / 2, sizes[size][1] / 2],
              popupAnchor: [sizes[size][0] / 2, 0]
            })
          });
        }
      })).addTo(map);
    </script>
  </body>
</html>

https://unpkg.com/leaflet@1.2.0/dist/leaflet.js