Trip start end markers (fix #674)

1 files changed, 56 insertions, 0 deletions

diff --git a/modern/src/map/MapMarkers.js b/modern/src/map/MapMarkers.js
new file mode 100644
index 00000000..7101a5d3
--- /dev/null
+++ b/modern/src/map/MapMarkers.js
@@ -0,0 +1,56 @@
+import { useEffect } from 'react';
+
+import { map } from './core/MapView';
+
+const MapMarkers = ({ markers }) => {
+  const id = 'markers';
+
+  useEffect(() => {
+    map.addSource(id, {
+      type: 'geojson',
+      data: {
+        type: 'FeatureCollection',
+        features: [],
+      },
+    });
+    map.addLayer({
+      id,
+      type: 'symbol',
+      source: id,
+      layout: {
+        'icon-image': '{category}-{color}',
+        'icon-allow-overlap': true,
+      },
+    });
+
+    return () => {
+      if (map.getLayer(id)) {
+        map.removeLayer(id);
+      }
+      if (map.getSource(id)) {
+        map.removeSource(id);
+      }
+    };
+  }, []);
+
+  useEffect(() => {
+    map.getSource(id).setData({
+      type: 'FeatureCollection',
+      features: markers.map(({ latitude, longitude, category, color }) => ({
+        type: 'Feature',
+        geometry: {
+          type: 'Point',
+          coordinates: [longitude, latitude],
+        },
+        properties: {
+          category: category || 'default',
+          color,
+        },
+      })),
+    });
+  }, [markers]);
+
+  return null;
+};
+
+export default MapMarkers;