init: port to typescript and bun

utils/logger.ts

@@ -0,0 +1,41 @@
+// ./utils/logger.ts
+import { config } from 'dotenv';
+config(); // Ensure .env variables are loaded
+
+// Define log level type
+type LogLevel = 'error' | 'warn' | 'info' | 'debug';
+
+// Interface for the logger object
+interface Logger {
+  error: (...args: any[]) => void;
+  warn: (...args: any[]) => void;
+  info: (...args: any[]) => void;
+  debug: (...args: any[]) => void;
+}
+
+const LOG_LEVEL = (process.env.LOG_LEVEL || 'info').toLowerCase() as LogLevel;
+
+const levels: Record<LogLevel, number> = {
+  error: 0,
+  warn: 1,
+  info: 2,
+  debug: 3,
+};
+
+const currentLevel = levels[LOG_LEVEL] ?? levels.info;
+
+const log = (level: LogLevel, ...args: any[]): void => {
+  if (levels[level] <= currentLevel) {
+    const timestamp = new Date().toISOString();
+    console[level](`[${timestamp}] [${level.toUpperCase()}]`, ...args);
+  }
+};
+
+export const logger: Logger = {
+  error: (...args: any[]) => log('error', ...args),
+  warn: (...args: any[]) => log('warn', ...args),
+  info: (...args: any[]) => log('info', ...args),
+  debug: (...args: any[]) => log('debug', ...args),
+};
+
+export default logger;