Initial commit

node_modules/@maplibre/geojson-vt/dist/cluster-tile-index.d.ts

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+import KDBush from 'kdbush';
+import type { ClusterOrPointFeature, GeoJSONVTTileIndex, GeoJSONVTInternalFeature, GeoJSONVTInternalPointFeature, GeoJSONVTOptions, GeoJSONVTTile, SuperclusterOptions } from './definitions';
+/** @internal */
+export type KDBushWithData = KDBush & {
+    flatData: number[];
+};
+export declare const defaultClusterOptions: Required<SuperclusterOptions>;
+/**
+ * This class allow clustering of geojson points.
+ */
+export declare class ClusterTileIndex implements GeoJSONVTTileIndex {
+    options: Required<SuperclusterOptions>;
+    trees: KDBushWithData[];
+    stride: number;
+    clusterProps: Record<string, unknown>[];
+    points: GeoJSONVTInternalPointFeature[];
+    constructor(options?: SuperclusterOptions);
+    /**
+     * Loads GeoJSON point features and builds the internal clustering index.
+     * @param points - GeoJSON point features to cluster.
+     */
+    load(points: GeoJSON.Feature<GeoJSON.Point>[]): void;
+    /**
+     * @internal
+     * Loads internal GeoJSONVT point features from a data source and builds the clustering index.
+     * @param features - {@link GeoJSONVTInternalFeature} data source features to filter and cluster.
+     */
+    initialize(features: GeoJSONVTInternalFeature[]): void;
+    /**
+     * @internal
+     * Updates the cluster data by rebuilding.
+     * @param features
+     */
+    updateIndex(features: GeoJSONVTInternalFeature[], _affected: GeoJSONVTInternalFeature[], options: GeoJSONVTOptions): void;
+    private createIndex;
+    /**
+     * Returns clusters and/or points within a bounding box at a given zoom level.
+     * @param bbox - Bounding box in `[westLng, southLat, eastLng, northLat]` order.
+     * @param zoom - Zoom level to query.
+     */
+    getClusters(bbox: [number, number, number, number], zoom: number): ClusterOrPointFeature[];
+    private getClustersInternal;
+    /**
+     * Returns the immediate children (clusters or points) of a cluster as GeoJSON.
+     * @param clusterId - The target cluster id.
+     */
+    getChildren(clusterId: number): ClusterOrPointFeature[];
+    /**
+     * Returns leaf point features under a cluster, paginated by `limit` and `offset`.
+     * @param clusterId - The target cluster id.
+     * @param limit - Maximum number of points to return (defaults to `10`).
+     * @param offset - Number of points to skip before collecting results (defaults to `0`).
+     */
+    getLeaves(clusterId: number, limit?: number, offset?: number): GeoJSON.Feature<GeoJSON.Point>[];
+    /**
+     * Generates a vector-tile-like representation of a single tile.
+     * @param z - Tile zoom.
+     * @param x - Tile x coordinate.
+     * @param y - Tile y coordinate.
+     */
+    getTile(z: number, x: number, y: number): GeoJSONVTTile | null;
+    /**
+     * Returns the zoom level at which a cluster expands into multiple children.
+     * @param clusterId - The target cluster id.
+     */
+    getClusterExpansionZoom(clusterId: number): number;
+    private appendLeaves;
+    private createTree;
+    private addTileFeatures;
+    private limitZoom;
+    private cluster;
+    private getOriginId;
+    private getOriginZoom;
+    private map;
+}
+//# sourceMappingURL=cluster-tile-index.d.ts.map