From ad6d48bd6e1ea2fa417b8e9031bf2a7027abb745 Mon Sep 17 00:00:00 2001
From: santhosh H <santhosh_201032@yahoo.in>
Date: Wed, 18 Sep 2019 17:13:46 +0530
Subject: [PATCH] update getByPathh.js

if root = {a : {b : 100}} and path=["a","b","c"] previously available code would crash.
---
 packages/fbjs/src/misc/getByPath.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/fbjs/src/misc/getByPath.js b/packages/fbjs/src/misc/getByPath.js
index 79037692..f35c4d8e 100644
--- a/packages/fbjs/src/misc/getByPath.js
+++ b/packages/fbjs/src/misc/getByPath.js
@@ -42,7 +42,7 @@ function getByPath(
     const segment = path[i];
     // Use 'in' to check entire prototype chain since immutable js records
     // use prototypes
-    if (current && segment in current) {
+    if (typeof(current) == "object" && segment in current) {
       current = current[segment];
     } else {
       return fallbackValue;