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- // index.ts
- import { polygon, featureCollection, isObject } from "@turf/helpers";
- import { collectionOf } from "@turf/invariant";
- import { cloneProperties } from "@turf/clone";
- import * as d3voronoi from "d3-voronoi";
- function coordsToPolygon(coords) {
- coords = coords.slice();
- coords.push(coords[0]);
- return polygon([coords]);
- }
- function voronoi2(points, options) {
- options = options || {};
- if (!isObject(options)) throw new Error("options is invalid");
- const bbox = options.bbox || [-180, -85, 180, 85];
- if (!points) throw new Error("points is required");
- if (!Array.isArray(bbox)) throw new Error("bbox is invalid");
- collectionOf(points, "Point", "points");
- return featureCollection(
- d3voronoi.voronoi().x((feature) => feature.geometry.coordinates[0]).y((feature) => feature.geometry.coordinates[1]).extent([
- [bbox[0], bbox[1]],
- [bbox[2], bbox[3]]
- ]).polygons(points.features).map(function(coords, index) {
- return Object.assign(coordsToPolygon(coords), {
- properties: cloneProperties(points.features[index].properties)
- });
- })
- );
- }
- var turf_voronoi_default = voronoi2;
- export {
- turf_voronoi_default as default,
- voronoi2 as voronoi
- };
- //# sourceMappingURL=index.js.map
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