From 931d12d945d5bc014b34f46d93a627dbb4eda3a7 Mon Sep 17 00:00:00 2001
From: Pooya Parsa <pyapar@gmail.com>
Date: Tue, 14 Dec 2021 16:31:58 +0100
Subject: [PATCH] fix: avoid optional chaining

for Nuxt2 and Webpack4's sake
---
 src/utils.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/utils.ts b/src/utils.ts
index e756667..5237a5d 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -17,5 +17,6 @@ export function isJSONSerializable (val: any) {
   if (Array.isArray(val)) {
     return true
   }
-  return val.constructor?.name === 'Object' || typeof val.toJSON === 'function'
+  return (val.constructor && val.constructor.name === 'Object') ||
+   typeof val.toJSON === 'function'
 }