@softeria/ms-365-mcp-server/src/logger.mjs

Microsoft 365 MCP Server

import winston from 'winston';
import path from 'path';
import { fileURLToPath } from 'url';
import fs from 'fs';

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const logsDir = path.join(__dirname, '..', 'logs');

if (!fs.existsSync(logsDir)) {
  fs.mkdirSync(logsDir);
}

const logger = winston.createLogger({
  level: process.env.LOG_LEVEL || 'info',
  format: winston.format.combine(
    winston.format.timestamp({
      format: 'YYYY-MM-DD HH:mm:ss',
    }),
    winston.format.printf(({ level, message, timestamp }) => {
      return `${timestamp} ${level.toUpperCase()}: ${message}`;
    })
  ),
  transports: [
    new winston.transports.File({
      filename: path.join(logsDir, 'error.log'),
      level: 'error',
    }),
    new winston.transports.File({
      filename: path.join(logsDir, 'mcp-server.log'),
    }),
  ],
});

export const enableConsoleLogging = () => {
  logger.add(
    new winston.transports.Console({
      format: winston.format.combine(winston.format.colorize(), winston.format.simple()),
      silent: process.env.SILENT === 'true',
    })
  );
};

export default logger;