feat: migrate nextjs to rr7

packages/auth/server/routes/callback.ts

@@ -0,0 +1,20 @@
+import { Hono } from 'hono';
+
+import { GoogleAuthOptions, OidcAuthOptions } from '../config';
+import { handleOAuthCallbackUrl } from '../lib/utils/handle-oauth-callback-url';
+import type { HonoAuthContext } from '../types/context';
+
+/**
+ * Have to create this route instead of bundling callback with oauth routes to provide
+ * backwards compatibility for self-hosters (since we used to use NextAuth).
+ */
+export const callbackRoute = new Hono<HonoAuthContext>()
+  /**
+   * OIDC callback verification.
+   */
+  .get('/oidc', async (c) => handleOAuthCallbackUrl({ c, clientOptions: OidcAuthOptions }))
+
+  /**
+   * Google callback verification.
+   */
+  .get('/google', async (c) => handleOAuthCallbackUrl({ c, clientOptions: GoogleAuthOptions }));