From 5192645cad2aa8099f345ab03df7d118b81ed976 Mon Sep 17 00:00:00 2001
From: Inokentii Mazhara <keshan3262@gmail.com>
Date: Thu, 16 Nov 2023 11:59:12 +0200
Subject: [PATCH] TW-1147 Refactoring according to comments

---
 src/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/index.ts b/src/index.ts
index e21e9e8..7da90a9 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -171,7 +171,7 @@ app.get('/api/exchange-rates', async (_req, res) => {
     tezExchangeRateProvider
   );
 
-  if (tezExchangeRateError !== undefined) {
+  if (isDefined(tezExchangeRateError)) {
     return res.status(500).send({
       error: tezExchangeRateError.message
     });