From 9142db3c88ca7c266e8fc0e8e87a3d5f8d3e4581 Mon Sep 17 00:00:00 2001
From: Dan Tasse <dan.tasse@gmail.com>
Date: Thu, 1 Oct 2026 11:32:58 -0500
Subject: [PATCH] fix(node): require a numeric typeId in DataTypeLike

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
---
 nodejs/lancedb/arrow.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nodejs/lancedb/arrow.ts b/nodejs/lancedb/arrow.ts
index 710889d5e..71e3abaae 100644
--- a/nodejs/lancedb/arrow.ts
+++ b/nodejs/lancedb/arrow.ts
@@ -79,7 +79,7 @@ export type FieldLike =
  * type of this one even though it is structurally identical. Inputs that only
  * need to be sanitized accept this looser shape instead.
  */
-export type DataTypeLike = DataType | { readonly typeId: unknown };
+export type DataTypeLike = DataType | { readonly typeId: number };
 
 /**
  * Create an Arrow field backed by LanceDB's JSON extension type.