Added new dependecy undici for typechecking & updated mtls related te…

…mplate string

package.json

@@ -79,6 +79,7 @@
     "ts-jest": "^29.1.0",
     "ts-node": "^10.9.1",
     "typedoc": "^0.24.6",
-    "typescript": "4.9.5"
+    "typescript": "4.9.5",
+    "undici": "^6.15.0"
   }
 }

src/auth/oauth.ts

@@ -274,7 +274,7 @@ export class OAuth extends BaseAuthAPI {
   constructor(options: AuthenticationClientOptions) {
     super({
       ...options,
-      domain: options.useMTLS ? `${mtlsPrefix}.` + options.domain : options.domain,
+      domain: options.useMTLS ? `${mtlsPrefix}.${options.domain}` : options.domain,
     });
     this.idTokenValidator = new IDTokenValidator(options);
   }

src/lib/models.ts

@@ -1,4 +1,5 @@
 import { RetryConfiguration } from './retry.js';
+import { Dispatcher } from 'undici';
 
 /**
  * @private
@@ -25,8 +26,7 @@ export interface Configuration {
   /**
    * Pass your own http agent to support proxies.
    */
-  // https://github.com/octokit/types.ts/blob/v10.0.0/src/RequestRequestOptions.ts#L13
-  agent?: unknown;
+  agent?: Dispatcher;
   /**
    * Custom headers that will be added to every request.
    */

test/auth/client-authentication.test.ts

@@ -3,7 +3,7 @@ import { jest } from '@jest/globals';
 import * as jose from 'jose';
 import { AuthenticationClient } from '../../src/index.js';
 import { TEST_PUBLIC_KEY, TEST_PRIVATE_KEY } from '../constants.js';
-
+import { Agent } from 'undici';
 const URL = 'https://tenant.auth0.com/';
 const clientId = 'test-client-id';
 const verifyOpts = {
@@ -241,9 +241,9 @@ describe('mTLS-authentication', () => {
     const auth0 = new AuthenticationClient({
       domain: 'tenant.auth0.com',
       clientId,
-      agent: {
-        options: { key: 'my-key', cert: 'my-cert' },
-      },
+      agent: new Agent({
+        connect: { cert: 'my-cert', key: 'my-key' },
+      }),
       useMTLS: true,
     });
     await auth0.oauth.clientCredentialsGrant({