import { stderr } from 'process';
export enum LogLevel {
DEBUG = 'DEBUG',
INFO = 'INFO',
WARN = 'WARN',
ERROR = 'ERROR'
}
class Logger {
private getCurrentTimestamp(): string {
return new Date().toISOString();
}
private log(level: LogLevel, message: string, error?: Error): void {
const timestamp = this.getCurrentTimestamp();
const errorMessage = error ? ` - ${error.message}` : '';
stderr.write(`[${level}] ${timestamp}: ${message}${errorMessage}\n`);
}
debug(message: string): void {
this.log(LogLevel.DEBUG, message);
}
info(message: string): void {
this.log(LogLevel.INFO, message);
}
warn(message: string): void {
this.log(LogLevel.WARN, message);
}
error(message: string, error?: Error): void {
this.log(LogLevel.ERROR, message, error);
}
}
export const logger = new Logger();
