Add a new submodule: ua-parser-helpers with a method: isFrozenUA() to match a string with a frozen user-agent pattern

src/helpers/ua-parser-helpers.js

@@ -0,0 +1,42 @@
+///////////////////////////////////////////////
+/*  Helpers for UAParser.js v2.0.0-alpha.2
+    https://github.com/faisalman/ua-parser-js
+    Author: Faisal Salman <f@faisalman.com>
+    MIT License */
+//////////////////////////////////////////////
+
+/*jshint esversion: 6 */ 
+
+/*
+    # Reference:
+    https://www.chromium.org/updates/ua-reduction/
+
+    # Desktop
+    ---
+    Format:
+    Mozilla/5.0 (<unifiedPlatform>) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/<majorVersion>.0.0.0 Safari/537.36
+
+    Possible <unifiedPlatform> values:
+    - Windows NT 10.0; Win64; x64
+    - Macintosh; Intel Mac OS X 10_15_7
+    - X11; Linux x86_64
+    - X11; CrOS x86_64 14541.0.0
+    - Fuchsia 
+
+    # Mobile & Tablet: (except iOS/Android WebView)
+    ---
+    Format:
+    Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/<majorVersion>.0.0.0 <deviceCompat> Safari/537.36
+    
+    Possible <deviceCompat> values:
+    - "Mobile"
+    - "" (empty string for Tablets & Desktop)
+*/
+
+const frozenUA = /Mozilla\/5\.0 \((Windows NT 10\.0; Win64; x64|Macintosh; Intel Mac OS X 10_15_7|X11; Linux x86_64|X11; CrOS x86_64 14541\.0\.0|Fuchsia|Linux; Android 10; K)\) AppleWebKit\/537\.36 \(KHTML, like Gecko\) Chrome\/\d+\.0\.0\.0 (Mobile )?Safari\/537\.36/;
+
+const isFrozenUA = str => frozenUA.test(str);
+
+module.exports = { 
+    isFrozenUA
+};