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- import { featureEach, coordEach } from '@turf/meta';
- import { point, featureCollection } from '@turf/helpers';
- /**
- * Takes a feature or set of features and returns all positions as {@link Point|points}.
- *
- * @name explode
- * @param {GeoJSON} geojson input features
- * @returns {FeatureCollection<point>} points representing the exploded input features
- * @throws {Error} if it encounters an unknown geometry type
- * @example
- * var polygon = turf.polygon([[[-81, 41], [-88, 36], [-84, 31], [-80, 33], [-77, 39], [-81, 41]]]);
- *
- * var explode = turf.explode(polygon);
- *
- * //addToMap
- * var addToMap = [polygon, explode]
- */
- function explode(geojson) {
- var points = [];
- if (geojson.type === "FeatureCollection") {
- featureEach(geojson, function (feature) {
- coordEach(feature, function (coord) {
- points.push(point(coord, feature.properties));
- });
- });
- } else {
- coordEach(geojson, function (coord) {
- points.push(point(coord, geojson.properties));
- });
- }
- return featureCollection(points);
- }
- export default explode;
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