feat: instance invites

server/api/invite/[token].get.ts

@@ -0,0 +1,22 @@
+/**
+ * Tells the register page whether an invite link still works and who it is
+ * from. Public on purpose, the person opening the link has no account yet.
+ */
+export default defineEventHandler(async (event) => {
+    const invite = await findUsableInvite(getRouterParam(event, 'token')!);
+
+    if (!invite) {
+        return { valid: false as const };
+    }
+
+    return {
+        valid: true as const,
+        expiresAt: invite.expiresAt,
+        singleUse: invite.maxUses === 1,
+        inviter: {
+            id: invite.inviterId,
+            name: invite.inviterName,
+            image: invite.inviterImage,
+        },
+    };
+});