From 92b5639733bc2e6a37fee99385381685c3b5fca0 Mon Sep 17 00:00:00 2001
From: Swapnil Sahu <swapnilsahu4@gmail.com>
Date: Fri, 10 Apr 2026 21:48:44 +0530
Subject: [PATCH] feat: add support for HeyTap Browser and Vivo Browser
 identification (#621)

---
 src/constants.js                     |  4 ++++
 src/parser-browsers.js               | 30 ++++++++++++++++++++++++++++
 test/acceptance/useragentstrings.yml | 28 ++++++++++++++++++++++++++
 3 files changed, 62 insertions(+)

diff --git a/src/constants.js b/src/constants.js
index 2d06c97..32f6441 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -25,6 +25,7 @@ export const BROWSER_ALIASES_MAP = {
   'Google Search': 'google_search',
   Googlebot: 'googlebot',
   GPTBot: 'gptbot',
+  'HeyTap Browser': 'heytap',
   'Internet Explorer': 'ie',
   InternetArchiveCrawler: 'internetarchivecrawler',
   'K-Meleon': 'k_meleon',
@@ -62,6 +63,7 @@ export const BROWSER_ALIASES_MAP = {
   Swing: 'swing',
   Tizen: 'tizen',
   'UC Browser': 'uc',
+  'Vivo Browser': 'vivo',
   Vivaldi: 'vivaldi',
   'WebOS Browser': 'webos',
   WeChat: 'wechat',
@@ -97,6 +99,7 @@ export const BROWSER_MAP = {
   google_search: 'Google Search',
   googlebot: 'Googlebot',
   gptbot: 'GPTBot',
+  heytap: 'HeyTap Browser',
   ie: 'Internet Explorer',
   internetarchivecrawler: 'InternetArchiveCrawler',
   k_meleon: 'K-Meleon',
@@ -133,6 +136,7 @@ export const BROWSER_MAP = {
   swing: 'Swing',
   tizen: 'Tizen',
   uc: 'UC Browser',
+  vivo: 'Vivo Browser',
   vivaldi: 'Vivaldi',
   webos: 'WebOS Browser',
   wechat: 'WeChat',
diff --git a/src/parser-browsers.js b/src/parser-browsers.js
index 1cc8440..e917faa 100644
--- a/src/parser-browsers.js
+++ b/src/parser-browsers.js
@@ -503,6 +503,36 @@ const browsersList = [
       return browser;
     },
   },
+  {
+    test: [/HeyTapBrowser/i],
+    describe(ua) {
+      const browser = {
+        name: 'HeyTap Browser',
+      };
+      const version = Utils.getFirstMatch(/(?:HeyTapBrowser)[\s/](\d+(?:\.\d+)*)/i, ua) || Utils.getFirstMatch(commonVersionIdentifier, ua);
+
+      if (version) {
+        browser.version = version;
+      }
+
+      return browser;
+    },
+  },
+  {
+    test: [/VivoBrowser/i],
+    describe(ua) {
+      const browser = {
+        name: 'Vivo Browser',
+      };
+      const version = Utils.getFirstMatch(/(?:VivoBrowser)[\s/](\d+(?:\.\d+)*)/i, ua) || Utils.getFirstMatch(commonVersionIdentifier, ua);
+
+      if (version) {
+        browser.version = version;
+      }
+
+      return browser;
+    },
+  },
   {
     test: [/MZBrowser/i],
     describe(ua) {
diff --git a/test/acceptance/useragentstrings.yml b/test/acceptance/useragentstrings.yml
index 2c62c7e..0f4dc85 100644
--- a/test/acceptance/useragentstrings.yml
+++ b/test/acceptance/useragentstrings.yml
@@ -435,6 +435,34 @@
         engine:
           name: "WebKit"
           version: "605.1.15"
+  HeyTap Browser:
+    -
+      ua: "Mozilla/5.0 (Linux; U; Android 13; en-in; RMX3370 Build/TP1A.220905.001) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.6422.72 Mobile Safari/537.36 HeyTapBrowser/45.13.8.1"
+      spec:
+        browser:
+          name: "HeyTap Browser"
+          version: "45.13.8.1"
+        os:
+          name: "Android"
+          version: "13"
+        platform:
+          type: "mobile"
+        engine:
+          name: "Blink"
+  Vivo Browser:
+    -
+      ua: "Mozilla/5.0 (Linux; Android 13; V2279A) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.6778.200 Mobile Safari/537.36 VivoBrowser/28.4.3.0"
+      spec:
+        browser:
+          name: "Vivo Browser"
+          version: "28.4.3.0"
+        os:
+          name: "Android"
+          version: "13"
+        platform:
+          type: "mobile"
+        engine:
+          name: "Blink"
   Amazon Silk:
     -
       ua: "Mozilla/5.0 (Linux; U; Android 4.0.3; en-us; KFTT Build/IML74K) AppleWebKit/535.19 (KHTML, like Gecko) Silk/3.4 Mobile Safari/535.19 Silk-Accelerated=true"