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Diffstat (limited to 'modern/src/map/MapMarkers.js')
-rw-r--r-- | modern/src/map/MapMarkers.js | 56 |
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; |