From 9835b4fd75a672fbf4eff6fde6f1fac630fda40f Mon Sep 17 00:00:00 2001
From: Patrick Kranz <patrick-kranz@live.de>
Date: Thu, 30 Apr 2026 08:52:34 +0200
Subject: [PATCH] Fix ReferenceError: process is not defined when in browser

---
 src/utilities.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/utilities.ts b/src/utilities.ts
index 4442b5d..85b0ee2 100644
--- a/src/utilities.ts
+++ b/src/utilities.ts
@@ -225,11 +225,11 @@ export function getChildNodes(node: HtmlNode | Node): (Node | HtmlNode)[] {
 }
 
 export function perfStart(label: string) {
-  if (process.env.LOG_PERF) console.time(label);
+  if (typeof process !== 'undefined' && process?.env?.LOG_PERF) console.time(label);
 }
 
 export function perfStop(label: string) {
-  if (process.env.LOG_PERF) console.timeEnd(label);
+  if (typeof process !== 'undefined' && process?.env?.LOG_PERF) console.timeEnd(label);
 }
 
 // endregion