feat: Add Slack bot detection (#596)

Co-authored-by: Jam <jam.hsu@lativ.com.tw>

src/constants.js

@@ -52,6 +52,7 @@ export const BROWSER_ALIASES_MAP = {
   Safari: 'safari',
   Sailfish: 'sailfish',
   'Samsung Internet for Android': 'samsung_internet',
+  SlackBot: 'slackbot',
   SeaMonkey: 'seamonkey',
   Sleipnir: 'sleipnir',
   'Sogou Browser': 'sogou',
@@ -120,6 +121,7 @@ export const BROWSER_MAP = {
   sailfish: 'Sailfish',
   samsung_internet: 'Samsung Internet for Android',
   seamonkey: 'SeaMonkey',
+  slackbot: 'SlackBot',
   sleipnir: 'Sleipnir',
   sogou: 'Sogou Browser',
   swing: 'Swing',

src/parser-browsers.js

@@ -361,6 +361,23 @@ const browsersList = [
     },
   },
 
+  /* SlackBot */
+  {
+    test: [/slackbot/i, /slack-imgProxy/i],
+    describe(ua) {
+      const browser = {
+        name: 'SlackBot',
+      };
+      const version = Utils.getFirstMatch(/(?:slackbot|slack-imgproxy)(?:-[-\w]+)?[\s/](\d+(\.\d+)+)/i, ua) || Utils.getFirstMatch(commonVersionIdentifier, ua);
+
+      if (version) {
+        browser.version = version;
+      }
+
+      return browser;
+    },
+  },
+
   /* YahooSlurp */
   {
     test: [/yahoo!?[\s/]*slurp/i],

src/parser-platforms.js

@@ -227,6 +227,17 @@ export default [
     },
   },
 
+  /* SlackBot */
+  {
+    test: [/slackbot/i, /slack-imgProxy/i],
+    describe() {
+      return {
+        type: PLATFORMS_MAP.bot,
+        vendor: 'Slack',
+      };
+    },
+  },
+
   /* Yahoo! Slurp */
   {
     test: [/yahoo/i],