From 7adb91f0a0234f458ba54c1a13597d118af078b8 Mon Sep 17 00:00:00 2001
From: Jon Helge Stensrud <jon@stensrud.xyz>
Date: Mon, 18 May 2020 17:34:03 +0200
Subject: [PATCH] Avoid treating null-values as objects with keys

---
 packages/ra-data-graphql-simple/src/getResponseParser.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/ra-data-graphql-simple/src/getResponseParser.js b/packages/ra-data-graphql-simple/src/getResponseParser.js
index 1abb3ee2993..3f598c7c3d3 100644
--- a/packages/ra-data-graphql-simple/src/getResponseParser.js
+++ b/packages/ra-data-graphql-simple/src/getResponseParser.js
@@ -13,7 +13,7 @@ const sanitizeResource = data => {
         }
 
         if (Array.isArray(dataKey)) {
-            if (typeof dataKey[0] === 'object') {
+            if (typeof dataKey[0] === 'object' && dataKey[0] !== null) {
                 return {
                     ...acc,
                     [key]: dataKey.map(sanitizeResource),
@@ -24,7 +24,7 @@ const sanitizeResource = data => {
             }
         }
 
-        if (typeof dataKey === 'object') {
+        if (typeof dataKey === 'object' && dataKey !== null) {
             return {
                 ...acc,
                 ...(dataKey &&