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-rw-r--r--modern/src/map/MapMarkers.js56
1 files changed, 56 insertions, 0 deletions
diff --git a/modern/src/map/MapMarkers.js b/modern/src/map/MapMarkers.js
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+++ b/modern/src/map/MapMarkers.js
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+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;