2 files changed, 48 insertions, 38 deletions

diff --git a/packages/server/src/assertion/generateAssertionOptions.test.ts b/packages/server/src/assertion/generateAssertionOptions.test.ts
index 257657b..aa345af 100644
--- a/packages/server/src/assertion/generateAssertionOptions.test.ts
+++ b/packages/server/src/assertion/generateAssertionOptions.test.ts
@@ -3,40 +3,41 @@ import generateAssertionOptions from './generateAssertionOptions';
 test('should generate credential request options suitable for sending via JSON', () => {
   const challenge = 'totallyrandomvalue';
 
-  const options = generateAssertionOptions(
+  const options = generateAssertionOptions({
     challenge,
-    1,
-    [
+    timeout: 1,
+    allowedBase64CredentialIDs: [
       Buffer.from('1234', 'ascii').toString('base64'),
       Buffer.from('5678', 'ascii').toString('base64'),
     ],
-  );
+  });
 
   expect(options).toEqual({
-    publicKey: {
-      challenge,
-      allowCredentials: [
-        {
-          id: 'MTIzNA==',
-          type: 'public-key',
-          transports: ['usb', 'ble', 'nfc', 'internal'],
-        },
-        {
-          id: 'NTY3OA==',
-          type: 'public-key',
-          transports: ['usb', 'ble', 'nfc', 'internal'],
-        },
-      ],
-      timeout: 1,
-    },
+    challenge,
+    allowCredentials: [
+      {
+        id: 'MTIzNA==',
+        type: 'public-key',
+        transports: ['usb', 'ble', 'nfc', 'internal'],
+      },
+      {
+        id: 'NTY3OA==',
+        type: 'public-key',
+        transports: ['usb', 'ble', 'nfc', 'internal'],
+      },
+    ],
+    timeout: 1,
   });
 });
 
 test('defaults to 60 seconds if no timeout is specified', () => {
-  const options = generateAssertionOptions('totallyrandomvalue', undefined, [
-    Buffer.from('1234', 'ascii').toString('base64'),
-    Buffer.from('5678', 'ascii').toString('base64'),
-  ]);
+  const options = generateAssertionOptions({
+    challenge: 'totallyrandomvalue',
+    allowedBase64CredentialIDs: [
+      Buffer.from('1234', 'ascii').toString('base64'),
+      Buffer.from('5678', 'ascii').toString('base64'),
+    ],
+  });
 
-  expect(options.publicKey.timeout).toEqual(60000);
+  expect(options.timeout).toEqual(60000);
 });
diff --git a/packages/server/src/assertion/generateAssertionOptions.ts b/packages/server/src/assertion/generateAssertionOptions.ts
index b30344d..035c2da 100644
--- a/packages/server/src/assertion/generateAssertionOptions.ts
+++ b/packages/server/src/assertion/generateAssertionOptions.ts
@@ -2,6 +2,13 @@ import type {
   PublicKeyCredentialRequestOptionsJSON,
 } from '@simplewebauthn/typescript-types';
 
+type Options = {
+  challenge: string,
+  allowedBase64CredentialIDs: string[],
+  suggestedTransports?: AuthenticatorTransport[],
+  timeout?: number,
+};
+
 /**
  * Prepare a value to pass into navigator.credentials.get(...) for authenticator "login"
  *
@@ -12,20 +19,22 @@ import type {
  * @param suggestedTransports Suggested types of authenticators for assertion
  */
 export default function generateAssertionOptions(
-  challenge: string,
-  timeout = 60000,
-  allowedBase64CredentialIDs: string[],
-  suggestedTransports: AuthenticatorTransport[] = ['usb', 'ble', 'nfc', 'internal'],
+  opts: Options,
 ): PublicKeyCredentialRequestOptionsJSON {
+  const {
+    challenge,
+    allowedBase64CredentialIDs,
+    suggestedTransports = ['usb', 'ble', 'nfc', 'internal'],
+    timeout = 60000,
+  } = opts;
+
   return {
-    publicKey: {
-      challenge,
-      allowCredentials: allowedBase64CredentialIDs.map(id => ({
-        id,
-        type: 'public-key',
-        transports: suggestedTransports,
-      })),
-      timeout,
-    },
+    challenge,
+    allowCredentials: allowedBase64CredentialIDs.map(id => ({
+      id,
+      type: 'public-key',
+      transports: suggestedTransports,
+    })),
+    timeout,
   };
 }