From bfb8c1fd12bfa4c2bb137ad42fda1c78ef3edc6f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=20Erik=20St=C3=B8wer?= <testower@gmail.com>
Date: Mon, 30 Oct 2023 13:49:15 +0100
Subject: [PATCH] tripPattern could be undefined when collapsing itinerary

---
 client-next/src/components/MapView/LegLines.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/client-next/src/components/MapView/LegLines.tsx b/client-next/src/components/MapView/LegLines.tsx
index 500bd4ab1aa..41b02ece83a 100644
--- a/client-next/src/components/MapView/LegLines.tsx
+++ b/client-next/src/components/MapView/LegLines.tsx
@@ -3,10 +3,10 @@ import { Layer, Source } from 'react-map-gl';
 import { decode } from '@googlemaps/polyline-codec';
 import { getColorForMode } from '../../util/getColorForMode.ts';
 
-export function LegLines({ tripPattern }: { tripPattern: TripPattern }) {
+export function LegLines({ tripPattern }: { tripPattern?: TripPattern }) {
   return (
     <>
-      {tripPattern.legs.map(
+      {tripPattern?.legs.map(
         (leg, i) =>
           leg.pointsOnLink && (
             <Source