From 61df80112a1396e8826a55b13319e33a925cc277 Mon Sep 17 00:00:00 2001
From: Mike Cao <mike@mikecao.com>
Date: Wed, 30 Aug 2023 15:43:39 -0700
Subject: [PATCH] Updated subdivision check.

---
 src/lib/detect.ts | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/lib/detect.ts b/src/lib/detect.ts
index d60435062..b16bab7ab 100644
--- a/src/lib/detect.ts
+++ b/src/lib/detect.ts
@@ -57,6 +57,14 @@ export function getDevice(screen, os) {
   }
 }
 
+function getRegionCode(country, region) {
+  if (!country || !region) {
+    return undefined;
+  }
+
+  return region.includes('-') ? region : `${country}-${region}`;
+}
+
 export async function getLocation(ip, req) {
   // Ignore local ips
   if (await isLocalhost(ip)) {
@@ -71,7 +79,7 @@ export async function getLocation(ip, req) {
 
     return {
       country,
-      subdivision1: subdivision1?.includes('-') ? subdivision1 : `${country}-${subdivision1}`,
+      subdivision1: getRegionCode(country, subdivision1),
       city,
     };
   }
@@ -84,7 +92,7 @@ export async function getLocation(ip, req) {
 
     return {
       country,
-      subdivision1: subdivision1?.includes('-') ? subdivision1 : `${country}-${subdivision1}`,
+      subdivision1: getRegionCode(country, subdivision1),
       city,
     };
   }