fix user not found during auth

src/lib/auth.ts

@@ -7,7 +7,6 @@ import config from '$lib/config';
 const SECRET = config.jwt.secret;
 const EXPIRES_IN = config.jwt.expiresIn;
 
-
 export function createToken(userData) {
 	return jwt.sign(userData, SECRET, { expiresIn: EXPIRES_IN });
 }
@@ -24,6 +23,10 @@ export function authenticate(user, password) {
 
 	const getUserSQLStmt = 'SELECT name, pw FROM users WHERE name = ?';
 	const row = db.prepare(getUserSQLStmt).get(user);
+
+	if (!row) {
+		return null;
+	}
 	const storedPW = row.pw;
 
 	if (hashedPW && hashedPW === storedPW) {