website-to-markdown-mcp/dist/utils/logger.js

Advanced MCP server for fetching websites and converting to markdown with AI-powered features and stealth capabilities

import winston from 'winston';
import { join } from 'path';
// 創建日誌格式
const logFormat = winston.format.combine(winston.format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }), winston.format.errors({ stack: true }), winston.format.json(), winston.format.printf(({ timestamp, level, message, service, stack, ...meta }) => {
    const metaStr = Object.keys(meta).length ? ` ${JSON.stringify(meta)}` : '';
    const stackStr = stack ? `\n${stack}` : '';
    return `[${timestamp}] ${level.toUpperCase()} [${service || 'main'}]: ${message}${metaStr}${stackStr}`;
}));
// 創建主要日誌實例
const mainLogger = winston.createLogger({
    level: process.env.LOG_LEVEL || 'info',
    format: logFormat,
    defaultMeta: { service: 'website-to-markdown-mcp' },
    transports: [
        // 控制台輸出
        new winston.transports.Console({
            format: winston.format.combine(winston.format.colorize(), logFormat)
        }),
        // 錯誤日誌文件
        new winston.transports.File({
            filename: join(process.cwd(), 'logs', 'error.log'),
            level: 'error'
        }),
        // 完整日誌文件
        new winston.transports.File({
            filename: join(process.cwd(), 'logs', 'combined.log')
        })
    ],
    // 處理未捕獲的異常
    exceptionHandlers: [
        new winston.transports.File({ filename: join(process.cwd(), 'logs', 'exceptions.log') })
    ],
    // 處理未捕獲的 Promise 拒絕
    rejectionHandlers: [
        new winston.transports.File({ filename: join(process.cwd(), 'logs', 'rejections.log') })
    ]
});
// 生產環境不輸出到控制台
if (process.env.NODE_ENV === 'production') {
    mainLogger.remove(mainLogger.transports[0]);
}
// 創建帶有服務名稱的日誌器
export function createLogger(service) {
    return mainLogger.child({ service });
}
// 默認導出主日誌器
export default mainLogger;
// 性能監控日誌器
export const performanceLogger = createLogger('performance');
// 安全相關日誌器
export const securityLogger = createLogger('security');
// 審計日誌器
export const auditLogger = createLogger('audit');
// 輔助函數：記錄函數執行時間
export function logExecutionTime(fn, logger, functionName) {
    return ((...args) => {
        const start = Date.now();
        const name = functionName || fn.name || 'anonymous';
        try {
            const result = fn(...args);
            // 如果是 Promise，等待完成後記錄
            if (result && typeof result.then === 'function') {
                return result
                    .then((value) => {
                    const duration = Date.now() - start;
                    performanceLogger.info(`函數 ${name} 執行完成`, { duration, args: args.slice(0, 2) });
                    return value;
                })
                    .catch((error) => {
                    const duration = Date.now() - start;
                    performanceLogger.error(`函數 ${name} 執行失敗`, { duration, error: error.message, args: args.slice(0, 2) });
                    throw error;
                });
            }
            else {
                // 同步函數
                const duration = Date.now() - start;
                performanceLogger.info(`函數 ${name} 執行完成`, { duration, args: args.slice(0, 2) });
                return result;
            }
        }
        catch (error) {
            const duration = Date.now() - start;
            performanceLogger.error(`函數 ${name} 執行失敗`, { duration, error: error.message, args: args.slice(0, 2) });
            throw error;
        }
    });
}
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