feat: add Pale Moon browser support (#495)

src/constants.js

@@ -22,6 +22,7 @@ export const BROWSER_ALIASES_MAP = {
   'NAVER Whale Browser': 'naver',
   Opera: 'opera',
   'Opera Coast': 'opera_coast',
+  'Pale Moon': 'pale_moon',
   PhantomJS: 'phantomjs',
   Puffin: 'puffin',
   QupZilla: 'qupzilla',
@@ -64,6 +65,7 @@ export const BROWSER_MAP = {
   naver: 'NAVER Whale Browser',
   opera: 'Opera',
   opera_coast: 'Opera Coast',
+  pale_moon: 'Pale Moon',
   phantomjs: 'PhantomJS',
   puffin: 'Puffin',
   qupzilla: 'QupZilla',

src/parser-browsers.js

@@ -108,6 +108,21 @@ const browsersList = [
       return browser;
     },
   },
+  {
+    test: [/PaleMoon/i],
+    describe(ua) {
+      const browser = {
+        name: 'Pale Moon',
+      };
+      const version = Utils.getFirstMatch(commonVersionIdentifier, ua) || Utils.getFirstMatch(/(?:PaleMoon)[\s/](\d+(?:\.\d+)+)/i, ua);
+
+      if (version) {
+        browser.version = version;
+      }
+
+      return browser;
+    },
+  },
   {
     test: [/MZBrowser/i],
     describe(ua) {