From 425626e8f6fc0321734776d124a57c6608a09cc4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=A1=D0=B0=D1=85=D0=B0=D1=80=D0=BE=D0=B2=20=D0=90=D0=BD?=
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 <a.a.sakharov@tinkoff.ru>
Date: Tue, 8 Jul 2025 22:42:33 +0300
Subject: [PATCH] add a null checking for a Trait target

---
 JavaScript/trait.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/JavaScript/trait.js b/JavaScript/trait.js
index 926254d..825e478 100644
--- a/JavaScript/trait.js
+++ b/JavaScript/trait.js
@@ -37,7 +37,7 @@ class Trait {
   }
 
   implement(target, callable) {
-    if (typeof target !== 'object') {
+    if (typeof target !== 'object' || target === null) {
       throw new TypeError(`Target is not Object`);
     }
     if (typeof callable !== 'function') {