bc_resource_mcp/dist/utils/logger.js

MCP server for Baichuan resource

export var LogLevel;
(function (LogLevel) {
    LogLevel[LogLevel["DEBUG"] = 0] = "DEBUG";
    LogLevel[LogLevel["INFO"] = 1] = "INFO";
    LogLevel[LogLevel["WARN"] = 2] = "WARN";
    LogLevel[LogLevel["ERROR"] = 3] = "ERROR";
})(LogLevel || (LogLevel = {}));
export class Logger {
    static level = LogLevel.INFO;
    static timestamp = true;
    static setLevel(level) {
        this.level = level;
    }
    static getLevel() {
        return this.level;
    }
    static enableTimestamp(enable) {
        this.timestamp = enable;
    }
    static getTimestamp() {
        return this.timestamp ? `[${new Date().toISOString()}] ` : "";
    }
    static formatArgs(args) {
        return args.map((arg) => {
            if (typeof arg === "object" && arg !== null) {
                try {
                    // 使用更安全的方式处理对象
                    if (arg instanceof Error) {
                        // 特殊处理 Error 对象
                        return {
                            message: arg.message,
                            name: arg.name,
                            stack: arg.stack,
                        };
                    }
                    // 处理循环引用问题
                    const cache = new Set();
                    const safeStringify = (obj) => {
                        return JSON.stringify(obj, (key, value) => {
                            if (typeof value === "object" && value !== null) {
                                if (cache.has(value)) {
                                    return "[循环引用]";
                                }
                                cache.add(value);
                            }
                            return value;
                        }, 2);
                    };
                    return safeStringify(arg);
                }
                catch (e) {
                    return `[无法序列化的对象: ${typeof arg}]`;
                }
            }
            return arg;
        });
    }
    static debug(message, ...args) {
        if (this.level <= LogLevel.DEBUG) {
            console.debug(`${this.getTimestamp()}${message}`, ...this.formatArgs(args));
        }
    }
    static info(message, ...args) {
        if (this.level <= LogLevel.INFO) {
            // WARN: Claude 客户端不支持 console.log console.info 方法，所以这里使用 console.error 代替
            console.error(`${this.getTimestamp()}${message}`, ...this.formatArgs(args));
        }
    }
    static warn(message, ...args) {
        if (this.level <= LogLevel.WARN) {
            console.warn(`${this.getTimestamp()}${message}`, ...this.formatArgs(args));
        }
    }
    static error(message, ...args) {
        if (this.level <= LogLevel.ERROR) {
            console.error(`${this.getTimestamp()}${message}`, ...this.formatArgs(args));
        }
    }
}