Fix listAuthFactors() return (#862)

## Description

## Documentation

Does this require changes to the WorkOS Docs? E.g. the [API
Reference](https://workos.com/docs/reference) or code snippets need
updates.

```
[ ] Yes
```

If yes, link a related docs PR and add a docs maintainer as a reviewer.
Their approval is required.

src/users/fixtures/list-factors.json

@@ -0,0 +1,23 @@
+{
+  "object": "list",
+  "data": [
+    {
+      "object": "authentication_factor",
+      "id": "auth_factor_1234",
+      "created_at": "2022-03-15T20:39:19.892Z",
+      "updated_at": "2022-03-15T20:39:19.892Z",
+      "type": "totp",
+      "totp": {
+        "issuer": "WorkOS",
+        "qr_code": "qr-code-test",
+        "secret": "secret-test",
+        "uri": "uri-test",
+        "user": "some_user"
+      }
+    }
+  ],
+  "list_metadata": {
+    "before": null,
+    "after": null
+  }
+}

src/users/interfaces/list-auth-factors-options.interface.ts

@@ -1,3 +1,5 @@
-export interface ListAuthFactorsOptions {
+import { PaginationOptions } from '../../common/interfaces';
+
+export interface ListAuthFactorsOptions extends PaginationOptions {
   userId: string;
 }

src/users/users.spec.ts

@@ -3,7 +3,7 @@ import MockAdapter from 'axios-mock-adapter';
 import { WorkOS } from '../workos';
 import userFixture from './fixtures/user.json';
 import listUsersFixture from './fixtures/list-users.json';
-import factorFixture from './fixtures/factor.json';
+import listFactorFixture from './fixtures/list-factors.json';
 
 const mock = new MockAdapter(axios);
 const workos = new WorkOS('sk_test_Sz3IQjepeSWaI4cMS4ms4sMuU');
@@ -410,7 +410,20 @@ describe('UserManagement', () => {
   describe('enrollAuthFactor', () => {
     it('sends an enrollAuthFactor request', async () => {
       mock.onPost(`/users/${userId}/auth/factors`).reply(200, {
-        authentication_factor: factorFixture,
+        authentication_factor: {
+          object: 'authentication_factor',
+          id: 'auth_factor_1234',
+          created_at: '2022-03-15T20:39:19.892Z',
+          updated_at: '2022-03-15T20:39:19.892Z',
+          type: 'totp',
+          totp: {
+            issuer: 'WorkOS',
+            qr_code: 'qr-code-test',
+            secret: 'secret-test',
+            uri: 'uri-test',
+            user: 'some_user',
+          },
+        },
         authentication_challenge: {
           object: 'authentication_challenge',
           id: 'auth_challenge_1234',
@@ -460,13 +473,35 @@ describe('UserManagement', () => {
 
   describe('listAuthFactors', () => {
     it('sends a listAuthFactors request', async () => {
-      mock.onGet(`/users/${userId}/auth/factors`).reply(200, [factorFixture]);
+      mock.onGet(`/users/${userId}/auth/factors`).reply(200, listFactorFixture);
 
       const resp = await workos.users.listAuthFactors({ userId });
 
       expect(mock.history.get[0].url).toEqual(`/users/${userId}/auth/factors`);
 
-      expect(resp[0]).toMatchObject({ id: factorFixture.id });
+      expect(resp).toMatchObject({
+        object: 'list',
+        data: [
+          {
+            object: 'authentication_factor',
+            id: 'auth_factor_1234',
+            createdAt: '2022-03-15T20:39:19.892Z',
+            updatedAt: '2022-03-15T20:39:19.892Z',
+            type: 'totp',
+            totp: {
+              issuer: 'WorkOS',
+              qrCode: 'qr-code-test',
+              secret: 'secret-test',
+              uri: 'uri-test',
+              user: 'some_user',
+            },
+          },
+        ],
+        listMetadata: {
+          before: null,
+          after: null,
+        },
+      });
     });
   });
 

src/users/users.ts

@@ -298,12 +298,25 @@ export class Users {
     };
   }
 
-  async listAuthFactors(payload: ListAuthFactorsOptions): Promise<Factor[]> {
-    const { data } = await this.workos.get<FactorResponse[]>(
-      `/users/${payload.userId}/auth/factors`,
+  async listAuthFactors(
+    options: ListAuthFactorsOptions,
+  ): Promise<AutoPaginatable<Factor>> {
+    return new AutoPaginatable(
+      await fetchAndDeserialize<FactorResponse, Factor>(
+        this.workos,
+        `/users/${options.userId}/auth/factors`,
+        deserializeFactor,
+        options,
+      ),
+      (params) =>
+        fetchAndDeserialize<FactorResponse, Factor>(
+          this.workos,
+          `/users/${options.userId}/auth/factors`,
+          deserializeFactor,
+          params,
+        ),
+      options,
     );
-
-    return data.map(deserializeFactor);
   }
 
   async deleteUser(payload: DeleteUserOptions) {