From c0957866a9a5213d98881adb9c6432a27535001d Mon Sep 17 00:00:00 2001
From: Ariella Vu <20778143+digiwand@users.noreply.github.com>
Date: Tue, 3 May 2022 18:17:08 -0500
Subject: [PATCH] metametrics: deprecate flatMap (#14608)

---
 app/scripts/controllers/metametrics.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/scripts/controllers/metametrics.js b/app/scripts/controllers/metametrics.js
index 9018b533d..856461a57 100644
--- a/app/scripts/controllers/metametrics.js
+++ b/app/scripts/controllers/metametrics.js
@@ -621,7 +621,9 @@ export default class MetaMetricsController {
    */
   _getAllNFTsFlattened = memoize((allCollectibles = {}) => {
     return Object.values(allCollectibles)
-      .flatMap((chainNFTs) => Object.values(chainNFTs))
+      .reduce((result, chainNFTs) => {
+        return result.concat(Object.values(chainNFTs));
+      }, [])
       .flat();
   });