leaflet-control-geocoder/index.html at master · perliedman/leaflet-control-geocoder · GitHub

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<!doctype html>
<html>
  <head>
    <title>Leaflet Control Geocoder</title>

    <meta charset="utf-8" />
    <meta
      name="viewport"
      content="width=device-width, user-scalable=no initial-scale=1, maximum-scale=1"
    />

    <link rel="stylesheet" href="node_modules/leaflet/dist/leaflet.css" />
    <link rel="stylesheet" href="src/style.css" />

    <style>
      body {
        margin: 0;
      }
      #map {
        position: absolute;
        width: 100%;
        height: 100%;
      }
    </style>
  </head>
  <body>
    <div id="map"></div>

    <script type="module">
      import * as L from 'leaflet';
      import { Geocoder } from './src/index.ts';
      const map = new L.Map('map').setView([0, 0], 2);

      let geocoder = Geocoder.nominatim();
      // parse /?geocoder=nominatim from URL
      let params = new URL(document.location.toString()).searchParams;
      const geocoderString = params.get('geocoder');
      if (geocoderString && Geocoder[geocoderString]) {
        console.log('Using geocoder', geocoderString);
        geocoder = Geocoder[geocoderString]();
      } else if (geocoderString) {
        console.warn('Unsupported geocoder', geocoderString);
      }

      const control = new Geocoder({
        query: 'Moon',
        placeholder: 'Search here...',
        geocoder
      }).addTo(map);

      setTimeout(() => {
        control.setQuery('Earth');
      }, 12000);

      new L.TileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
        attribution:
          '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
      }).addTo(map);

      let marker;
      map.on('click', e => {
        geocoder.reverse(e.latlng, map.options.crs.scale(map.getZoom())).then(results => {
          const r = results[0];
          if (!r) {
            return;
          }
          if (marker) {
            marker
              .setLatLng(r.center)
              .setPopupContent(r.html || r.name)
              .openPopup();
          } else {
            marker = new L.Marker(r.center).bindPopup(r.name).addTo(map).openPopup();
          }
        });
      });
    </script>
  </body>
</html>