From 5ad4410734725e2b359332db960b46e935c55d94 Mon Sep 17 00:00:00 2001
From: Andrei <andrei@laye.red>
Date: Thu, 23 May 2024 17:20:07 +0200
Subject: [PATCH] fixed: navigator check on old runtimes

---
 dist/index.js | 4 ++--
 src/index.ts  | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/dist/index.js b/dist/index.js
index 7a0f5ca..8343a03 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -24,10 +24,10 @@ const isDomain = (domain) => {
     });
 };
 function bestDnsResolverForThisRuntime() {
-    if (navigator.userAgent === 'Cloudflare-Workers') {
+    if (navigator?.userAgent === 'Cloudflare-Workers') {
         return 'cloudflare-dns';
     }
-    else if (navigator.userAgent.startsWith('Node.js/')) {
+    else if (navigator?.userAgent.startsWith('Node.js/')) {
         return 'node-dns';
     }
     else {
diff --git a/src/index.ts b/src/index.ts
index cc9018f..3b93706 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -42,9 +42,9 @@ const isDomain = (domain: string): boolean => {
 }
 
 function bestDnsResolverForThisRuntime(): string {
-	if (navigator.userAgent === 'Cloudflare-Workers') {
+	if (navigator?.userAgent === 'Cloudflare-Workers') {
 		return 'cloudflare-dns'
-	} else if (navigator.userAgent.startsWith('Node.js/')) {
+	} else if (navigator?.userAgent.startsWith('Node.js/')) {
 		return 'node-dns'
 	} else {
 		return 'google-dns'