public-html2/parcoursup/components/map-view.riot

<map-view>
  <div class="map-box">
    <h3>Carte des formations</h3>
    <div id="map"></div>
  </div>

  <script>
    export default {
      onMounted() {
        this.map = L.map(this.root.querySelector('#map')).setView([46.8, 2.5], 6)

        L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
          attribution: '&copy; OpenStreetMap contributors'
        }).addTo(this.map)

        this.markersLayer = L.layerGroup().addTo(this.map)
        this.refreshMarkers()
      },

      onUpdated() {
        this.refreshMarkers()
      },

      refreshMarkers() {
        if (!this.map || !this.markersLayer) {
          return
        }

        this.markersLayer.clearLayers()

        const points = []

        for (let i = 0; i < this.props.results.length; i++) {
          const f = this.props.results[i]

          if (f.latitude && f.longitude) {
            const marker = L.marker([f.latitude, f.longitude])
            marker.bindPopup(`<b>${f.nom}</b><br>${f.ville}`)
            marker.addTo(this.markersLayer)

            points.push([f.latitude, f.longitude])
          }
        }

        if (points.length > 0) {
          this.map.fitBounds(points, { padding: [20, 20] })
        } else {
          this.map.setView([46.8, 2.5], 6)
        }
      }
    }
  </script>
</map-view>