review comments

Signed-off-by: Fredrik Adelöw <freben@gmail.com>

plugins/auth-node/src/IdentityClient.test.ts

@@ -98,7 +98,7 @@ describe('IdentityClient', () => {
   afterEach(() => server.resetHandlers());
 
   beforeEach(() => {
-    client = new IdentityClient({ discovery, issuer: mockBaseUrl });
+    client = IdentityClient.create({ discovery, issuer: mockBaseUrl });
     factory = new FakeTokenFactory({
       issuer: mockBaseUrl,
       keyDurationSeconds,

plugins/auth-node/src/IdentityClient.ts

@@ -35,7 +35,20 @@ export class IdentityClient {
   private keyStore: JWKS.KeyStore;
   private keyStoreUpdated: number;
 
-  constructor(options: { discovery: PluginEndpointDiscovery; issuer: string }) {
+  /**
+   * Create a new {@link IdentityClient} instance.
+   */
+  static create(options: {
+    discovery: PluginEndpointDiscovery;
+    issuer: string;
+  }): IdentityClient {
+    return new IdentityClient(options);
+  }
+
+  private constructor(options: {
+    discovery: PluginEndpointDiscovery;
+    issuer: string;
+  }) {
     this.discovery = options.discovery;
     this.issuer = options.issuer;
     this.keyStore = new JWKS.KeyStore();