feat(oauth2): add grant_types_supported server metadata

hacdias · hacdias · commit 08dbc0040ad0 · 2025-08-13T13:32:19.000+02:00
Signed-off-by: Henrique Dias &lt;mail@hacdias.com&gt;
diff --git a/.changeset/evil-forks-cut.md b/.changeset/evil-forks-cut.md
@@ -0,0 +1,5 @@
+---
+"@openid4vc/oauth2": patch
+---
+
+Add grant_types_supported to the authorization server metadata.
diff --git a/packages/oauth2/src/metadata/authorization-server/z-authorization-server-metadata.ts b/packages/oauth2/src/metadata/authorization-server/z-authorization-server-metadata.ts
@@ -17,6 +17,7 @@ export const zAuthorizationServerMetadata = z
     token_endpoint_auth_methods_supported: z.optional(z.array(z.union([knownClientAuthenticationMethod, z.string()]))),
     authorization_endpoint: z.optional(zHttpsUrl),
     jwks_uri: z.optional(zHttpsUrl),
+    grant_types_supported: z.optional(z.array(z.string())),
 
     // RFC7636
     code_challenge_methods_supported: z.optional(z.array(z.string())),

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +---
 +"@openid4vc/oauth2": patch
 +---
++
 +Add grant_types_supported to the authorization server metadata.