parse the case for handle.invalid

src/lib/profile.ts

···
+import { Agent } from '@atproto/api'
+import { ProfileViewDetailed } from '@atproto/api/dist/client/types/app/bsky/actor/defs'
+
+export function parseProfile(profile: ProfileViewDetailed) {
+  return profile.handle !== 'handle.invalid' ? null : profile
+}
+
+export async function getProfile(agent: Agent, didOrHandle: string) {
+  // if no 'app.bsky.actor.profile' record is found on the user's PDS, this method will not return an error
+  // instead it will return an empty skeleton of a profile record with "handle" set to "handle.invalid"
+  const profile = await agent.getProfile({ actor: didOrHandle })
+  if (!profile.success) {
+    throw new Error('Failed to fetch profile')
+  }
+
+  const data = profile.data.handle === 'handle.invalid' ? null : profile.data
+  return data
+}

src/oauth/routes.ts

···
 import { createOrUpdateAccount } from '@/lib/account'
 import { createSession, deleteSession, type SessionData } from '@/lib/session'
 import { authMacro } from '@/lib/middleware'
+import { getProfile, parseProfile } from '@/lib/profile'
 
 const publicKeys = keys.map((k) => {
   const { kty, alg, kid, crv, x, y } = k
···
       }
 
       const agent = new Agent(oauthSession)
-      const profile = await agent.getProfile({ actor: session.account.did })
-      if (!profile.success) {
-        return status(500, 'Failed to fetch profile')
-      }
+      const profile = await getProfile(agent, session.account.did)
 
-      return profile.data
+      return {
+        did: oauthSession.did,
+        profile
+      }
     },
     {
       auth: true