From fadff6a3e90787db55ebc8a39859aa1d04d26614 Mon Sep 17 00:00:00 2001
From: Xiaoji Chen <Pessimistress@users.noreply.github.com>
Date: Tue, 4 Dec 2018 15:39:50 -0800
Subject: [PATCH] Fix crash when `viewState` does not contain pitch or bearing
 (#671)

---
 src/mapbox/mapbox.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mapbox/mapbox.js b/src/mapbox/mapbox.js
index 723febb3..446baddb 100644
--- a/src/mapbox/mapbox.js
+++ b/src/mapbox/mapbox.js
@@ -385,8 +385,8 @@ export default class Mapbox {
       longitude,
       latitude,
       zoom,
-      pitch,
-      bearing,
+      pitch = 0,
+      bearing = 0,
       altitude = 1.5
     } = props.viewState || props;
     return {longitude, latitude, zoom, pitch, bearing, altitude};