feat: support SP Initiated Auth

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## 6.2.0
+
+### Features
+
+- [#1113](https://github.com/okta/okta-auth-js/pull/1113) Updates types for `SigninWithCredentialsOptions` and `SignInOptions` to support `SP Initiated Auth`
+
 ## 6.1.0
 
 ### Features

lib/types/api.ts

@@ -239,16 +239,16 @@ export interface SigninOptions extends
       deviceToken?: string;
     };
     sendFingerprint?: boolean;
+    stateToken?: string;
 }
 
 export interface SigninWithRedirectOptions extends SigninOptions, TokenParams {
   originalUri?: string;
 }
 
 export interface SigninWithCredentialsOptions extends SigninOptions {
-  // Require a username and password
-  username: string;
-  password: string;
+  username?: string;
+  password?: string;
 }
 
 export interface SigninAPI {

test/spec/OktaAuth/api.ts

@@ -92,6 +92,11 @@ describe('OktaAuth (api)', function() {
         headers: { 'X-Device-Fingerprint': 'fake fingerprint' }
       });
     });
+    it('can pass stateToken to /authn endpoint', async () => {
+      options = { stateToken: 'fake-stateToken' };
+      await auth.signInWithCredentials(options);
+      expect(postToTransaction).toHaveBeenCalledWith(auth, '/api/v1/authn', options, undefined);
+    });
   });
 
   describe('signIn', () => {

test/types/auth.test-d.ts

@@ -56,7 +56,8 @@ const authorizeOptions2: TokenParams = {
     sendFingerprint: true,
     context: {
       deviceToken: 'device-1'
-    }
+    },
+    stateToken: 'fake-state-token'
   }));
   expectType<void>(await authClient.signInWithRedirect());
   expectType<void>(await authClient.signInWithRedirect({