From 01d92a799a7b7a20e670ac20080b410c1796c645 Mon Sep 17 00:00:00 2001
From: Kazuma Tsuchiya <caichi0424@gmail.com>
Date: Mon, 5 Aug 2024 13:52:24 +0900
Subject: [PATCH] feat: support GeometryCollection

---
 src/mantle/data/geojson.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/mantle/data/geojson.ts b/src/mantle/data/geojson.ts
index b241146..86d298e 100644
--- a/src/mantle/data/geojson.ts
+++ b/src/mantle/data/geojson.ts
@@ -20,6 +20,14 @@ export function processGeoJSON(geojson: GeoJSON, range?: DataRange): Feature[] {
 
   if (geojson.type === "Feature") {
     const geo = geojson.geometry;
+    if (geo.type === "GeometryCollection") {
+      return geo.geometries.flatMap(geometry => {
+        return processGeoJSON({
+          ...geojson,
+          geometry,
+        });
+      });
+    }
     if (geo.type === "MultiPoint") {
       return geo.coordinates.flatMap(coord => {
         return processGeoJSON({