check connection db

config/index.js

@@ -28,6 +28,18 @@ const poolPromise = new sql.ConnectionPool(config)
     process.exit(1);
   });
 
+async function checkConnection() {
+  try {
+    const pool = await poolPromise;
+    await pool.request().query('SELECT 1 AS isConnected');
+    console.log('🔍 SQL Server terkoneksi dengan baik');
+    return true;
+  } catch (error) {
+    console.error('⚠️ Gagal cek koneksi SQL Server:', error);
+    return false;
+  }
+}
+
 /**
  * Wrapper query (auto konversi $1 → @p1)
  */
@@ -223,6 +235,7 @@ async function generateKode(prefix, tableName, columnName) {
 }
 
 module.exports = {
+  checkConnection,
   query,
   buildFilterQuery,
   buildStringOrIlike,