From 2cce86b1048863bdda59c556e98080ec23ba0a53 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 22 Nov 2025 16:10:31 +0000
Subject: [PATCH] Add LibreWolf browser detection support

- Updated Firefox regex to include 'librewolf' pattern in src/parser-browsers.js
- Added test case for LibreWolf in test/acceptance/useragentstrings.yml
- LibreWolf is now correctly detected as Firefox with proper version extraction

Co-authored-by: naorpeled <6171622+naorpeled@users.noreply.github.com>
---
 src/parser-browsers.js               |  4 ++--
 test/acceptance/useragentstrings.yml | 13 +++++++++++++
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/parser-browsers.js b/src/parser-browsers.js
index 621bbb9..f0ba311 100644
--- a/src/parser-browsers.js
+++ b/src/parser-browsers.js
@@ -893,12 +893,12 @@ const browsersList = [
     },
   },
   {
-    test: [/firefox|iceweasel|fxios/i],
+    test: [/firefox|iceweasel|fxios|librewolf/i],
     describe(ua) {
       const browser = {
         name: 'Firefox',
       };
-      const version = Utils.getFirstMatch(/(?:firefox|iceweasel|fxios)[\s/](\d+(\.?_?\d+)+)/i, ua);
+      const version = Utils.getFirstMatch(/(?:firefox|iceweasel|fxios|librewolf)[\s/](\d+(\.?_?\d+)+)/i, ua);
 
       if (version) {
         browser.version = version;
diff --git a/test/acceptance/useragentstrings.yml b/test/acceptance/useragentstrings.yml
index 0f41035..137362c 100644
--- a/test/acceptance/useragentstrings.yml
+++ b/test/acceptance/useragentstrings.yml
@@ -1915,6 +1915,19 @@
         engine:
           name: "WebKit"
           version: "605.1.15"
+    -
+      ua: "Mozilla/5.0 (X11; Linux x86_64; rv:124.0) Gecko/20100101 LibreWolf/124.0.2"
+      spec:
+        browser:
+          name: "Firefox"
+          version: "124.0.2"
+        os:
+          name: "Linux"
+        platform:
+          type: "desktop"
+        engine:
+          name: "Gecko"
+          version: "20100101"
   SeaMonkey:
     -
       ua: "Mozilla/5.0 (Windows NT 5.2; rv:10.0.1) Gecko/20100101 Firefox/10.0.1 SeaMonkey/2.7.1"