From dff6ee01dc67c1bbda939e0834a5a760a233f3df Mon Sep 17 00:00:00 2001
From: Quincy Morgan <quincy.morgan@icloud.com>
Date: Tue, 7 Jul 2020 13:17:47 -0400
Subject: [PATCH] Add additional check for malformed GeoJSON data

---
 modules/svg/data.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/modules/svg/data.js b/modules/svg/data.js
index c18f9215f..94abf00d5 100644
--- a/modules/svg/data.js
+++ b/modules/svg/data.js
@@ -500,10 +500,13 @@ export function svgData(projection, context, dispatch) {
         var map = context.map();
         var viewport = map.trimmedExtent().polygon();
         var coords = features.reduce(function(coords, feature) {
-            var c = feature.geometry.coordinates;
+            var geom = feature.geometry;
+            if (!geom) return coords;
+
+            var c = geom.coordinates;
 
             /* eslint-disable no-fallthrough */
-            switch (feature.geometry.type) {
+            switch (geom.type) {
                 case 'Point':
                     c = [c];
                 case 'MultiPoint':