119 lines
2.6 KiB
TypeScript
119 lines
2.6 KiB
TypeScript
import maplibregl, {
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type GeoJSONSourceSpecification,
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type LayerSpecification,
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} from 'maplibre-gl';
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export function removeLayerIfExists(map: maplibregl.Map, layerId: string | null | undefined) {
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if (!layerId) return;
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try {
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if (map.getLayer(layerId)) {
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map.removeLayer(layerId);
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}
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} catch {
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// ignore
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}
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}
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export function removeSourceIfExists(map: maplibregl.Map, sourceId: string) {
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try {
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if (map.getSource(sourceId)) {
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map.removeSource(sourceId);
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}
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} catch {
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// ignore
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}
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}
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const GLOBE_NATIVE_LAYER_IDS = [
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'ships-globe-halo',
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'ships-globe-outline',
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'ships-globe',
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'ships-globe-label',
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'ships-globe-hover-halo',
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'ships-globe-hover-outline',
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'ships-globe-hover',
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'pair-lines-ml',
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'fc-lines-ml',
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'fleet-circles-ml-fill',
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'fleet-circles-ml',
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'pair-range-ml',
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'deck-globe',
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];
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const GLOBE_NATIVE_SOURCE_IDS = [
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'ships-globe-src',
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'ships-globe-hover-src',
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'pair-lines-ml-src',
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'fc-lines-ml-src',
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'fleet-circles-ml-src',
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'fleet-circles-ml-fill-src',
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'pair-range-ml-src',
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];
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export function clearGlobeNativeLayers(map: maplibregl.Map) {
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for (const id of GLOBE_NATIVE_LAYER_IDS) {
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removeLayerIfExists(map, id);
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}
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for (const id of GLOBE_NATIVE_SOURCE_IDS) {
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removeSourceIfExists(map, id);
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}
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}
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export function ensureGeoJsonSource(
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map: maplibregl.Map,
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sourceId: string,
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data: GeoJSON.GeoJSON,
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) {
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const existing = map.getSource(sourceId);
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if (existing) {
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(existing as maplibregl.GeoJSONSource).setData(data);
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} else {
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map.addSource(sourceId, {
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type: 'geojson',
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data,
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} satisfies GeoJSONSourceSpecification);
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}
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}
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export function ensureLayer(
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map: maplibregl.Map,
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spec: LayerSpecification,
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options?: { before?: string },
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) {
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if (map.getLayer(spec.id)) return;
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const before = options?.before && map.getLayer(options.before) ? options.before : undefined;
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map.addLayer(spec, before);
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}
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export function setLayerVisibility(map: maplibregl.Map, layerId: string, visible: boolean) {
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if (!map.getLayer(layerId)) return;
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try {
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map.setLayoutProperty(layerId, 'visibility', visible ? 'visible' : 'none');
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} catch {
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// ignore
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}
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}
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export function cleanupLayers(
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map: maplibregl.Map,
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layerIds: string[],
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sourceIds: string[],
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) {
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requestAnimationFrame(() => {
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for (const id of layerIds) {
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try {
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if (map.getLayer(id)) map.removeLayer(id);
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} catch {
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// ignore
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}
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}
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for (const id of sourceIds) {
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try {
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if (map.getSource(id)) map.removeSource(id);
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} catch {
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// ignore
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}
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}
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});
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}
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