/**
* 简单的日志工具
*/
export class Logger {
private static instance: Logger;
private debugMode: boolean;
private constructor() {
this.debugMode = process.env.DEBUG === 'true' || process.env.NODE_ENV === 'development';
}
static getInstance(): Logger {
if (!Logger.instance) {
Logger.instance = new Logger();
}
return Logger.instance;
}
debug(message: string, ...args: any[]): void {
if (this.debugMode) {
console.error(`[DEBUG] ${new Date().toISOString()}: ${message}`, ...args);
}
}
info(message: string, ...args: any[]): void {
console.error(`[INFO] ${new Date().toISOString()}: ${message}`, ...args);
}
warn(message: string, ...args: any[]): void {
console.error(`[WARN] ${new Date().toISOString()}: ${message}`, ...args);
}
error(message: string, error?: Error | any, ...args: any[]): void {
console.error(`[ERROR] ${new Date().toISOString()}: ${message}`, error, ...args);
}
}
export const logger = Logger.getInstance();
