const LON = '2.428462'; const LAT = '46.538192'; const DEFAULT_POSITION = { lon: LON, lat: LAT, zoom: 5 }; import L from 'leaflet'; export { DEFAULT_POSITION, LAT, LON }; const LAYERS = {}; function createLayer(map, layerName) { const layer = (LAYERS[layerName] = new L.GeoJSON(undefined, { interactive: false })); layer.addTo(map); return layer; } function removeLayer(map, layerName) { const layer = LAYERS[layerName]; if (layer) { delete LAYERS[layerName]; map.removeLayer(layer); } }