Add OS checks for Android and ChromeOS

core/util/browser.js

@@ -93,6 +93,15 @@ export function isIOS() {
             !!(/ipod/i).exec(navigator.platform));
 }
 
+export function isAndroid() {
+    return !!(/android/i).exec(navigator.platform);
+}
+
+export function isChromeOS() {
+    /* ChromeOS sets navigator.platform to Linux :/ */
+    return !!navigator.userAgent.match(' CrOS ');
+}
+
 /* Browser */
 
 export function isSafari() {

tests/test.browser.js

@@ -1,7 +1,7 @@
 /* eslint-disable no-console */
 const expect = chai.expect;
 
-import { isMac, isWindows, isIOS,
+import { isMac, isWindows, isIOS, isAndroid, isChromeOS,
          isSafari, isFirefox, isChrome, isChromium, isOpera, isEdge,
          isGecko, isWebKit, isBlink } from '../core/util/browser.js';
 
@@ -26,11 +26,14 @@ describe('OS detection', function () {
             "MacPPC",
         ];
 
+        navigator.userAgent = "Mozilla/5.0 (Macintosh; Intel Mac OS X 12_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6 Safari/605.1.15";
         platforms.forEach((platform) => {
             navigator.platform = platform;
             expect(isMac()).to.be.true;
             expect(isWindows()).to.be.false;
             expect(isIOS()).to.be.false;
+            expect(isAndroid()).to.be.false;
+            expect(isChromeOS()).to.be.false;
         });
     });
 
@@ -40,11 +43,14 @@ describe('OS detection', function () {
             "Win64",
         ];
 
+        navigator.userAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Safari/537.36";
         platforms.forEach((platform) => {
             navigator.platform = platform;
             expect(isMac()).to.be.false;
             expect(isWindows()).to.be.true;
             expect(isIOS()).to.be.false;
+            expect(isAndroid()).to.be.false;
+            expect(isChromeOS()).to.be.false;
         });
     });
 
@@ -55,11 +61,47 @@ describe('OS detection', function () {
             "iPad",
         ];
 
+        navigator.userAgent = "Mozilla/5.0 (iPhone; CPU iPhone OS 16_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.1 Mobile/15E148 Safari/604.1";
         platforms.forEach((platform) => {
             navigator.platform = platform;
             expect(isMac()).to.be.false;
             expect(isWindows()).to.be.false;
             expect(isIOS()).to.be.true;
+            expect(isAndroid()).to.be.false;
+            expect(isChromeOS()).to.be.false;
+        });
+    });
+
+    it('should handle Android', function () {
+        const platforms = [
+            "Android",
+        ];
+
+        navigator.userAgent = "Mozilla/5.0 (Android; Mobile; rv:13.0) Gecko/13.0 Firefox/13.0";
+        platforms.forEach((platform) => {
+            navigator.platform = platform;
+            expect(isMac()).to.be.false;
+            expect(isWindows()).to.be.false;
+            expect(isIOS()).to.be.false;
+            expect(isAndroid()).to.be.true;
+            expect(isChromeOS()).to.be.false;
+        });
+    });
+
+    it('should handle ChromeOS', function () {
+        let userAgents = [
+            "Mozilla/5.0 (X11; CrOS x86_64 15183.59.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.75 Safari/537.36",
+            "Mozilla/5.0 (X11; CrOS aarch64 15183.59.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.75 Safari/537.36",
+        ];
+
+        navigator.platform = "Linux x86_64";
+        userAgents.forEach((ua) => {
+            navigator.userAgent = ua;
+            expect(isMac()).to.be.false;
+            expect(isWindows()).to.be.false;
+            expect(isIOS()).to.be.false;
+            expect(isAndroid()).to.be.false;
+            expect(isChromeOS()).to.be.true;
         });
     });
 });