1 files changed, 41 insertions, 0 deletions

diff --git a/src/helpers/userAgent-helpers.ts b/src/helpers/userAgent-helpers.ts
new file mode 100644
index 000000000..73c8bfd03
--- /dev/null
+++ b/src/helpers/userAgent-helpers.ts
@@ -0,0 +1,41 @@
+import os from 'os';
+import macosVersion from 'macos-version';
+import { chrome } from 'useragent-generator';
+import {
+  chromeVersion, isMac, isWindows, is64Bit, osArch, osRelease,
+} from '../environment';
+
+function macOS() {
+  const version = macosVersion() || '';
+  let cpuName = os.cpus()[0].model.split(' ')[0];
+  if (cpuName && cpuName.match(/\(/)) {
+    cpuName = cpuName.split('(')[0];
+  }
+  return `Macintosh; ${cpuName} Mac OS X ${version.replace(/\./g, '_')}`;
+}
+
+function windows() {
+  const version = osRelease;
+  const [majorVersion, minorVersion] = version.split('.');
+  const archString = is64Bit ? 'Win64' : 'Win32';
+  return `Windows NT ${majorVersion}.${minorVersion}; ${archString}; ${osArch}`;
+}
+
+function linux() {
+  const archString = is64Bit ? 'x86_64' : osArch;
+  return `X11; Ubuntu; Linux ${archString}`;
+}
+
+export default function userAgent() {
+  let platformString = '';
+
+  if (isMac) {
+    platformString = macOS();
+  } else if (isWindows) {
+    platformString = windows();
+  } else {
+    platformString = linux();
+  }
+
+  return chrome({ os: platformString, version: chromeVersion });
+}