From be31ad5b8c5fbc6256155bb96e7149af11a968b7 Mon Sep 17 00:00:00 2001
From: Raju Ahmed <raju.ahmed@optimizely.com>
Date: Thu, 13 Mar 2025 19:04:34 +0600
Subject: [PATCH] fix log not being printed issue

---
 lib/error/optimizly_error.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/error/optimizly_error.ts b/lib/error/optimizly_error.ts
index 76e8f7734..658008bea 100644
--- a/lib/error/optimizly_error.ts
+++ b/lib/error/optimizly_error.ts
@@ -25,6 +25,10 @@ export class OptimizelyError extends Error {
     this.name = 'OptimizelyError';
     this.baseMessage = baseMessage;
     this.params = params;
+
+    // this is needed cause instanceof doesn't work for
+    // custom Errors when TS is compiled to es5
+    Object.setPrototypeOf(this, OptimizelyError.prototype);
   }
 
   getMessage(resolver?: MessageResolver): string {