Make backup dir name config variable optional

src/data/app-data.ts

@@ -1,4 +1,5 @@
 export const AppData = {
     ConfigFileName: "bun-sqlite.config.ts",
     MaxBackups: 10,
+    DefaultBackupDirName: ".backups",
 } as const;

src/functions/init.ts

@@ -37,11 +37,6 @@ export default async function init(): Promise<BunSQLiteConfigReturn> {
             process.exit(1);
         }
 
-        if (!Config.db_backup_dir) {
-            console.error(`\`db_backup_dir\` is required in your config`);
-            process.exit(1);
-        }
-
         let db_dir = ROOT_DIR;
 
         if (Config.db_dir) {
@@ -58,7 +53,10 @@ export default async function init(): Promise<BunSQLiteConfigReturn> {
             "default"
         ] as BUN_SQLITE_DatabaseSchemaType;
 
-        const BackupDir = path.resolve(db_dir, Config.db_backup_dir);
+        const backup_dir =
+            Config.db_backup_dir || AppData["DefaultBackupDirName"];
+
+        const BackupDir = path.resolve(db_dir, backup_dir);
         if (!fs.existsSync(BackupDir)) {
             fs.mkdirSync(BackupDir, { recursive: true });
         }

src/types/index.ts

@@ -1149,9 +1149,9 @@ export type BunSQLiteConfig = {
      */
     db_schema_file_name: string;
     /**
-     * The Directory for backups
+     * The Directory for backups. Relative to db_dir.
      */
-    db_backup_dir: string;
+    db_backup_dir?: string;
     max_backups?: number;
     /**
      * The Root Directory for the DB file and schema