From cf2f265574b34b28e268905a8b8f65e76521b827 Mon Sep 17 00:00:00 2001
From: Tim Dorr <timdorr@users.noreply.github.com>
Date: Tue, 14 Sep 2021 10:59:14 -0400
Subject: [PATCH] Apply kindOf fix from #4160

---
 src/utils/kindOf.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/utils/kindOf.js b/src/utils/kindOf.js
index c5395a1df6..571b1caf06 100644
--- a/src/utils/kindOf.js
+++ b/src/utils/kindOf.js
@@ -38,7 +38,11 @@ export function kindOf(val) {
       }
 
       // other
-      return type.slice(8, -1).toLowerCase().replace(/\s/g, '')
+      return Object.prototype.toString
+        .call(val)
+        .slice(8, -1)
+        .toLowerCase()
+        .replace(/\s/g, '')
     }
 
     function ctorName(val) {