feat: add LibreWolf browser detection (#578)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: naorpeled <6171622+naorpeled@users.noreply.github.com>

src/constants.js

@@ -26,6 +26,7 @@ export const BROWSER_ALIASES_MAP = {
   'Internet Explorer': 'ie',
   InternetArchiveCrawler: 'internetarchivecrawler',
   'K-Meleon': 'k_meleon',
+  LibreWolf: 'librewolf',
   Maxthon: 'maxthon',
   'Meta-ExternalAds': 'meta_externalads',
   'Meta-ExternalAgent': 'meta_externalagent',
@@ -92,6 +93,7 @@ export const BROWSER_MAP = {
   ie: 'Internet Explorer',
   internetarchivecrawler: 'InternetArchiveCrawler',
   k_meleon: 'K-Meleon',
+  librewolf: 'LibreWolf',
   maxthon: 'Maxthon',
   meta_externalads: 'Meta-ExternalAds',
   meta_externalagent: 'Meta-ExternalAgent',

src/parser-browsers.js

@@ -892,6 +892,21 @@ const browsersList = [
       return browser;
     },
   },
+  {
+    test: [/librewolf/i],
+    describe(ua) {
+      const browser = {
+        name: 'LibreWolf',
+      };
+      const version = Utils.getFirstMatch(/(?:librewolf)[\s/](\d+(\.?_?\d+)+)/i, ua);
+
+      if (version) {
+        browser.version = version;
+      }
+
+      return browser;
+    },
+  },
   {
     test: [/firefox|iceweasel|fxios/i],
     describe(ua) {