add createUserAgent method to WorkOS class

Author: nicknisi

src/workos.ts

@@ -39,6 +39,7 @@ import { ConflictException } from './common/exceptions/conflict.exception';
 import { CryptoProvider } from './common/crypto/crypto-provider';
 import { ParseError } from './common/exceptions/parse-error';
 import { getEnv } from './common/utils/env';
+import { getRuntimeInfo } from './common/utils/runtime-info';
 
 const VERSION = '8.0.0-beta.3';
 
@@ -99,21 +100,33 @@ export class WorkOS {
       this.baseURL = this.baseURL + `:${port}`;
     }
 
+    this.webhooks = this.createWebhookClient();
+    this.actions = this.createActionsClient();
+
+    // Must initialize UserManagement after baseURL is configured
+    this.userManagement = new UserManagement(this);
+
+    const userAgent = this.createUserAgent(options);
+
+    this.client = this.createHttpClient(options, userAgent);
+  }
+
+  private createUserAgent(options: WorkOSOptions): string {
     let userAgent: string = `workos-node/${VERSION}`;
 
     if (options.appInfo) {
-      const { name, version }: { name: string; version: string } =
-        options.appInfo;
+      const { name, version } = options.appInfo;
       userAgent += ` ${name}: ${version}`;
     }
 
-    this.webhooks = this.createWebhookClient();
-    this.actions = this.createActionsClient();
+    const { name: runtimeName, version: runtimeVersion } = getRuntimeInfo();
+    userAgent += ` ${runtimeName}`;
 
-    // Must initialize UserManagement after baseURL is configured
-    this.userManagement = new UserManagement(this);
+    if (runtimeVersion) {
+      userAgent += `/${runtimeVersion}`;
+    }
 
-    this.client = this.createHttpClient(options, userAgent);
+    return userAgent;
   }
 
   createWebhookClient() {