cyberbot-core/src/logger.js

cyberbot, 基于napcat-ts, nodejs，轻量qq机器人框架。

import log4js from 'log4js';
import { existsSync, readFileSync, mkdirSync } from 'fs';
import { join } from 'path';
// 默认日志配置
const defaultLoggerConfig = {
    level: 'info',
    maxSize: '10m',
    maxDays: 3
};
export class Logger {
    constructor(category = 'default', config) {
        this.config = config || this.loadConfig() || defaultLoggerConfig;
        this.configureLogger(category);
    }
    loadConfig() {
        try {
            const configPath = 'config.json';
            if (existsSync(configPath)) {
                const configData = readFileSync(configPath, 'utf-8');
                const config = JSON.parse(configData);
                if (config.logger) {
                    return config.logger;
                }
            }
            return null;
        }
        catch (error) {
            console.error('加载日志配置失败:', error);
            return null;
        }
    }
    configureLogger(category) {
        // 确保日志目录存在
        const logDir = join(process.cwd(), 'logs');
        if (!existsSync(logDir)) {
            mkdirSync(logDir, { recursive: true });
        }
        // 计算最大日志大小（确保每天小于10MB）
        const maxSize = Math.min(this.parseSize(this.config.maxSize), 10 * 1024 * 1024);
        log4js.configure({
            appenders: {
                console: {
                    type: 'console',
                    layout: {
                        type: 'pattern',
                        pattern: '%[%d{yyyy-MM-dd hh:mm:ss.SSS} %p%] %m'
                    }
                },
                file: {
                    type: 'file',
                    filename: join(logDir, `${category}.log`),
                    maxLogSize: maxSize,
                    backups: this.config.maxDays,
                    compress: true,
                    // 添加压缩选项
                    compressBackups: true,
                    // 使用更高效的压缩
                    compressionLevel: 9
                },
                dateFile: {
                    type: 'dateFile',
                    filename: join(logDir, `${category}`),
                    pattern: 'yyyy-MM-dd.log',
                    keepFileExt: true,
                    alwaysIncludePattern: true,
                    numBackups: this.config.maxDays,
                    // 添加压缩选项
                    compress: true,
                    // 使用更高效的压缩
                    compressionLevel: 9
                }
            },
            categories: {
                default: {
                    appenders: ['console', 'file', 'dateFile'],
                    level: this.config.level
                }
            }
        });
        this.logger = log4js.getLogger(category);
    }
    parseSize(size) {
        const units = {
            'b': 1,
            'k': 1024,
            'm': 1024 * 1024,
            'g': 1024 * 1024 * 1024
        };
        const match = size.match(/^(\d+)([bkmg])$/i);
        if (!match) {
            return 10 * 1024 * 1024; // 默认 10MB
        }
        const [, value, unit] = match;
        return parseInt(value) * (units[unit.toLowerCase()] || 1);
    }
    info(message) {
        this.logger.info(message);
    }
    warn(message) {
        this.logger.warn(message);
    }
    error(message, error) {
        if (error) {
            this.logger.error(`${message} ${error.message || error}`);
        }
        else {
            this.logger.error(message);
        }
    }
    debug(message) {
        this.logger.debug(message);
    }
    trace(message) {
        this.logger.trace(message);
    }
}
// 创建全局 logger 实例
export const logger = new Logger('cyberbot-log');
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