Change LibreWolf to standalone browser type

- Reverted Firefox regex changes
- Added LibreWolf as a standalone browser in parser-browsers.js
- Added LibreWolf to BROWSER_ALIASES_MAP and BROWSER_MAP in constants.js
- Created LibreWolf section in useragentstrings.yml with updated test expectations
- LibreWolf is now detected as "LibreWolf" instead of "Firefox"

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

@@ -893,12 +893,27 @@ const browsersList = [
     },
   },
   {
-    test: [/firefox|iceweasel|fxios|librewolf/i],
+    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) {
       const browser = {
         name: 'Firefox',
       };
-      const version = Utils.getFirstMatch(/(?:firefox|iceweasel|fxios|librewolf)[\s/](\d+(\.?_?\d+)+)/i, ua);
+      const version = Utils.getFirstMatch(/(?:firefox|iceweasel|fxios)[\s/](\d+(\.?_?\d+)+)/i, ua);
 
       if (version) {
         browser.version = version;

test/acceptance/useragentstrings.yml

@@ -1915,11 +1915,12 @@
         engine:
           name: "WebKit"
           version: "605.1.15"
+  LibreWolf:
     -
       ua: "Mozilla/5.0 (X11; Linux x86_64; rv:124.0) Gecko/20100101 LibreWolf/124.0.2"
       spec:
         browser:
-          name: "Firefox"
+          name: "LibreWolf"
           version: "124.0.2"
         os:
           name: "Linux"