From ce1840bb7bd1c11ecea54f3052012ab30f09c1af Mon Sep 17 00:00:00 2001
From: Thomas Kaul <4159106+dtslvr@users.noreply.github.com>
Date: Fri, 25 Apr 2025 07:54:13 +0200
Subject: [PATCH] Refactoring

---
 apps/api/src/validators/is-currency-code.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/apps/api/src/validators/is-currency-code.ts b/apps/api/src/validators/is-currency-code.ts
index 841871146..d04da7808 100644
--- a/apps/api/src/validators/is-currency-code.ts
+++ b/apps/api/src/validators/is-currency-code.ts
@@ -31,7 +31,7 @@ export class IsExtendedCurrencyConstraint
   public validate(currency: any) {
     // Return true if currency is a standard ISO 4217 code or a derived currency
     return (
-      /^[A-Z]+$/.test(currency) &&
+      this.isUpperCase(currency) &&
       (isISO4217CurrencyCode(currency) ||
         [
           ...DERIVED_CURRENCIES.map((derivedCurrency) => {
@@ -41,4 +41,8 @@ export class IsExtendedCurrencyConstraint
         ].includes(currency))
     );
   }
+
+  private isUpperCase(aString: string) {
+    return aString === aString?.toUpperCase();
+  }
 }