From 5fb1ad6781a74a330921da5fda5f86683133c8ba Mon Sep 17 00:00:00 2001
From: Salakar <mike.diarmid@gmail.com>
Date: Fri, 23 Feb 2018 02:59:39 +0000
Subject: [PATCH] [firestore] fix issue with NaN serialization

---
 lib/modules/firestore/utils/serialize.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/modules/firestore/utils/serialize.js b/lib/modules/firestore/utils/serialize.js
index 24b8f0a5..2aacbe7b 100644
--- a/lib/modules/firestore/utils/serialize.js
+++ b/lib/modules/firestore/utils/serialize.js
@@ -51,7 +51,7 @@ export const buildNativeArray = (array: Object[]): FirestoreTypeMap[] => {
 
 export const buildTypeMap = (value: any): FirestoreTypeMap | null => {
   const type = typeOf(value);
-  if (value === null || value === undefined) {
+  if (value === null || value === undefined || Number.isNaN(value)) {
     return {
       type: 'null',
       value: null,