From 68a2fb2943c7fc147f38d3e988385aea563ee1b6 Mon Sep 17 00:00:00 2001
From: saopig1 <4x7sw862st@gmail.com>
Date: Wed, 27 May 2026 13:31:31 +0800
Subject: [PATCH] refactor(users): use SQLITE_CONSTRAINT_UNIQUE error code
 instead of message text

---
 src/data/users.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/data/users.ts b/src/data/users.ts
index 8499ccf..d79ca40 100644
--- a/src/data/users.ts
+++ b/src/data/users.ts
@@ -55,8 +55,7 @@ export function createUserStore(db: Database.Database): UserStore {
       try {
         insertStmt.run(id, username, hash, now, now);
       } catch (err) {
-        const msg = (err as Error).message;
-        if (msg.includes("UNIQUE") && msg.includes("users.username")) {
+        if (err && typeof err === "object" && (err as { code?: string }).code === "SQLITE_CONSTRAINT_UNIQUE") {
           throw new UsernameTakenError(username);
         }
         throw err;