Feishu Project MCP Server

import winston from 'winston'; import path from 'path'; const { combine, timestamp, printf, colorize, json } = winston.format; export interface LoggerConfig { level: string; logDir: string; serviceName: string; } export class Logger { private logger: winston.Logger; constructor(config: LoggerConfig) { const logDir = path.resolve(config.logDir); // Create console format const consoleFormat = combine( colorize(), timestamp(), printf(({ level, message, timestamp, ...meta }) => { const metaStr = Object.keys(meta).length ? JSON.stringify(meta) : ''; return `${timestamp} [${config.serviceName}] ${level}: ${message} ${metaStr}`; }) ); // Create file format const fileFormat = combine(timestamp(), json()); // Create logger instance this.logger = winston.createLogger({ level: config.level, defaultMeta: { service: config.serviceName }, transports: [ // Console transport new winston.transports.Console({ format: consoleFormat, }), // Combined log file new winston.transports.File({ filename: path.join(logDir, `combined-${this.getDate()}.log`), format: fileFormat, }), // Error log file new winston.transports.File({ filename: path.join(logDir, `error-${this.getDate()}.log`), level: 'error', format: fileFormat, }), ], }); this.info(`Logger initialized with level: ${config.level}`); } private getDate(): string { const now = new Date(); return `${now.getFullYear()}-${String(now.getMonth() + 1).padStart(2, '0')}-${String(now.getDate()).padStart(2, '0')}`; } public debug(message: string, meta?: Record<string, any>): void { this.logger.debug(message, meta); } public info(message: string, meta?: Record<string, any>): void { this.logger.info(message, meta); } public warn(message: string, meta?: Record<string, any>): void { this.logger.warn(message, meta); } public error(message: string, meta?: Record<string, any>): void { this.logger.error(message, meta); } public getWinstonLogger(): winston.Logger { return this.logger; } }