Fix: loggerのファイル書き込み失敗のログで種別に[]が存在する問題 / Fix: .logを自動作成しディレクトリなしエラーを回避

packages/backend/src/lib/logger.ts

@@ -1,8 +1,10 @@
-import { appendFileSync } from "node:fs";
+import { appendFileSync, mkdirSync } from "node:fs";
 import { EOL } from "node:os";
 
 const TYPE_MAX_LENGTH = 5;
 
+mkdirSync(`${import.meta.dirname}/../../../../.log`, { recursive: true });
+
 const createLog = (
   nativeLogger: (...args: any[]) => void,
   type: string,
@@ -25,7 +27,7 @@ const createLog = (
       `${content.toString().replace(/\x1B\[[0-9;]*m/g, '')}${EOL}`
     );
   } catch (err) {
-    console.error(`${new Date().toLocaleString()} [ERROR] [Lib | logger] Failed to write to file.`);
+    console.error(`${new Date().toLocaleString()} ERROR [Lib | logger] Failed to write to file.`);
   }
 }