Add new device vendor: Valve - https://www.valvesoftware.com

src/enums/ua-parser-enums.js

@@ -290,6 +290,7 @@ const DeviceVendor = Object.freeze({
     TECNO: 'TECNO',
     TESLA: 'Tesla',
     ULEFONE: 'Ulefone',
+    VALVE: 'Valve',
     VIVO: 'Vivo',
     VIZIO: 'Vizio',
     VODAFONE: 'Vodafone',

src/main/ua-parser.js

@@ -853,6 +853,7 @@
             /(ouya)/i,                                                          // Ouya
             /(nintendo) (\w+)/i,                                                // Nintendo
             /(retroid) (pocket ([^\)]+))/i,                                     // Retroid Pocket
+            /(valve).+(steam deck)/i,
             /droid.+; ((shield|rgcube|gr0006))( bui|\))/i                       // Nvidia Portable/Anbernic/Logitech
             ], [[VENDOR, strMapper, { 'Nvidia': 'Shield', 'Anbernic': 'RGCUBE', 'Logitech': 'GR0006' }], MODEL, [TYPE, CONSOLE]], [
 

test/data/ua/device/valve.json

@@ -0,0 +1,11 @@
+[
+    {
+        "desc": "Valve",
+        "ua": "Mozilla/5.0 (X11; Linux x86_64; Valve Steam Client/Steam Deck [Steam Deck Beta]/default/0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.6478.183 Safari/537.36",
+        "expect": {
+            "vendor": "Valve",
+            "model": "Steam Deck",
+            "type": "console"
+        }
+    }
+]