From 997bd17bb0f0fe4d6bc29ad984b7821e37326b72 Mon Sep 17 00:00:00 2001
From: Joseph Birkner <j.birkner@klebert-engineering.de>
Date: Thu, 24 Oct 2024 21:19:05 +0200
Subject: [PATCH] Fix crash when createGeometry returns undefined.

---
 libs/core/src/cesium-interface/primitive.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libs/core/src/cesium-interface/primitive.cpp b/libs/core/src/cesium-interface/primitive.cpp
index 12a23a21..827877c5 100644
--- a/libs/core/src/cesium-interface/primitive.cpp
+++ b/libs/core/src/cesium-interface/primitive.cpp
@@ -87,7 +87,9 @@ void CesiumPrimitive::addPolyLine(
     if (synchronous_) {
         polyline = JsValue(polylineClass->call("createGeometry", polyline));
     }
-    addGeometryInstance(style, id, polyline, evalFun);
+    if (polyline.type() > JsValue::Type::Null) {
+        addGeometryInstance(style, id, polyline, evalFun);
+    }
 }
 
 void CesiumPrimitive::addPolygon(