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@zouwu-wf/logger

v0.0.7

Published

平台中立的日志库 - 支持Node.js和浏览器

Downloads

234

Readme

@zouwu-wf/logger

平台中立的日志库,支持Node.js和浏览器环境。

特性

  • ✅ 平台中立(Node.js + 浏览器)
  • ✅ TypeScript支持
  • ✅ 多日志级别(DEBUG, INFO, WARN, ERROR)
  • ✅ 可插拔传输器
  • ✅ 上下文支持
  • ✅ 生产环境自动禁用日志
  • ✅ ESM + CJS双格式

安装

pnpm add @zouwu-wf/logger

使用

基本用法

import { createLogger, LogLevel } from "@zouwu-wf/logger";

const logger = createLogger({
    level: LogLevel.INFO,
    context: "MyApp",
});

logger.debug("调试信息"); // 不会输出(级别低于INFO)
logger.info("普通信息");
logger.warn("警告信息");
logger.error("错误信息");

带上下文的子Logger

const logger = createLogger({ context: "App" });
const dbLogger = logger.child("Database");

dbLogger.info("连接成功"); // 输出: [App:Database] 连接成功

自定义传输器

import { Logger, LogTransport, LogEntry } from "@zouwu-wf/logger";

class FileTransport implements LogTransport {
    log(entry: LogEntry): void {
        // 写入文件
    }
}

const logger = new Logger({
    transports: [new FileTransport()],
});

生产环境

在生产环境下(NODE_ENV=production),所有日志会自动禁用。

也可以手动控制:

const logger = createLogger({
    isProduction: true, // 强制禁用日志
});

API

LogLevel

enum LogLevel {
    DEBUG = 0,
    INFO = 1,
    WARN = 2,
    ERROR = 3,
    NONE = 4,
}

Logger

  • debug(message, ...args) - 记录调试日志
  • info(message, ...args) - 记录信息日志
  • warn(message, ...args) - 记录警告日志
  • error(message, ...args) - 记录错误日志
  • setLevel(level) - 设置日志级别
  • getLevel() - 获取日志级别
  • child(context) - 创建子Logger
  • isProduction() - 检查是否为生产环境

License

MIT