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2o3t-logger

v0.3.9

Published

[Server Library] a simple Logger tools for Node.js

Downloads

90

Readme

2o3t-Logger

日志工具,可以打印日志

  • 控制台输出

控制台输出

  • 文件输出

文件输出

Init

    const Logger = require('2o3t-logger');
    const logger = Logger.instance('names', {
        disabledFile: true,
    });
    // or
    const logger = new Logger('names', {
        disabledFile: true, // 禁用文件输出
    });

Usage

     // @example:
     logger.debug('2o3t!');
     logger.info('2o3t!');
     logger.warn('2o3t!');
     logger.error('2o3t!');
     logger.fatal('2o3t!');
     logger.system('2o3t!');
     logger.test('2o3t!');

     // 以json格式进行打印
     logger.debug.json('2o3t!');
     logger.info.json('2o3t!');
     logger.warn.json('2o3t!');
     logger.error.json('2o3t!');
     logger.fatal.json('2o3t!');
     logger.system.json('2o3t!');
     logger.test.json('2o3t!');

     // 系统内部打印
     logger.system.debug('2o3t!');
     logger.system.info('2o3t!');
     logger.system.warn('2o3t!');
     logger.system.error('2o3t!');
     logger.system.fatal('2o3t!');
     logger.system.debug.json('2o3t!');
     logger.system.info.json('2o3t!');
     logger.system.warn.json('2o3t!');
     logger.system.error.json('2o3t!');
     logger.system.fatal.json('2o3t!');

全局 hook

通过全局重写 hooks 进行日志捕获.

Logger.hooks = function(name, args) {
 // do something
}

调用日志时, 需要使用 hook 才会进行捕获

     logger.debug.hook('2o3t!');
     logger.info.hook('2o3t!');
     logger.warn.hook('2o3t!');
     logger.error.hook('2o3t!');
     logger.fatal.hook('2o3t!');
     logger.system.hook('2o3t!');
     logger.test.hook('2o3t!');

可控制输出

For example

  • 指定允许打印的模式:
    process.env.LOGGER_ALLOW=*;   // 开启所有日志
    process.env.LOGGER_ALLOW=DEBUG,INFO;   // 只开启指定的日志模式
    process.env.LOGGER_ALLOW=NULL;  // 关闭所有日志
  • 指定禁用打印的模式:
    process.env.LOGGER_BAN=test; // 禁用的指定模式
    process.env.LOGGER_BAN=test,system; // 禁用的指定模式
    process.env.LOGGER_BAN=*; // 禁用所有
  • 可指定文件存储路径进行配置(默认项目根路径):
    process.env.LOGGER_ROOT=/a/b/c;   // 绝对路径
    // or
    process.env.LOGGER_ROOT=NULL; // 禁用文件输出

!!! 重要: systemtest 不会记录在文件日志中.