156 lines
3.6 KiB
Plaintext
156 lines
3.6 KiB
Plaintext
"use strict";
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const Level = require("./Level.js");
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const normalizeLevel = require("./normalizeLevel.js");
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class Logger {
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/**
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* Create a logger instance (创建日志实例)
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* @param name Logger name (日志名称)
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* @param options Logging options (日志选项)
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*/
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constructor(name, { level, appenders = [] } = {}) {
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this.name = name;
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this.appenders = /* @__PURE__ */ new Map();
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this.context = {};
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this._level = Level.INFO;
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if (level == null) {
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this.level = Level.INFO;
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}
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if (appenders) {
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appenders.forEach((appender) => {
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appender.setup(this);
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this.appenders.set(appender.name, appender);
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});
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}
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}
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/**
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* Log level name (日志级别名称)
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*/
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get levelName() {
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return Level[this._level];
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}
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/**
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* Log level (日志级别)
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*/
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get level() {
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return this._level;
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}
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/**
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* Set log level (设置日志级别)
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* @param level Log level (日志级别)
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*/
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set level(level) {
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const normalizedLevel = normalizeLevel(level);
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if (normalizedLevel !== void 0) {
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this._level = normalizedLevel;
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}
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}
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/**
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* Add context (添加上下文)
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* @param key Context key (上下文键)
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* @param value Context value (上下文值)
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*/
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addContext(key, value) {
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this.context[key] = value;
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}
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/**
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* Remove context (移除上下文)
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* @param key Context key (上下文键)
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*/
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removeContext(key) {
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delete this.context[key];
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}
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/**
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* Clear context (清除上下文)
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*/
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clearContext() {
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this.context = {};
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}
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/**
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* Dispose all appenders (关闭所有appenders)
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*/
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dispose() {
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const promises = [];
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this.appenders.forEach((appender) => {
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promises.push(appender.close());
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});
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return Promise.allSettled(promises);
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}
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/**
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* Log a message of level TRACE (记录TRACE级别的日志)
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* @param args Message arguments (消息参数)
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*/
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trace(...args) {
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this.log(Level.TRACE, args);
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}
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/**
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* Log a message of level DEBUG (记录DEBUG级别的日志)
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* @param args Message arguments (消息参数)
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*/
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debug(...args) {
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this.log(Level.DEBUG, args);
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}
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/**
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* Log a message of level INFO (记录INFO级别的日志)
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* @param args Message arguments (消息参数)
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*/
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info(...args) {
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this.log(Level.INFO, args);
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}
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/**
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* Log a message of level WARN (记录WARN级别的日志)
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* @param args Message arguments (消息参数)
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*/
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warn(...args) {
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this.log(Level.WARN, args);
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}
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/**
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* Log a message of level ERROR (记录ERROR级别的日志)
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* @param args Message arguments (消息参数)
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*/
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error(...args) {
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this.log(Level.ERROR, args);
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}
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/**
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* Log a message of level FATAL (记录FATAL级别的日志)
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* @param args Message arguments (消息参数)
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*/
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fatal(...args) {
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this.log(Level.FATAL, args);
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}
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/**
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* Create a log event (创建日志事件)
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* @param level Log level (日志级别)
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* @param message Message (消息)
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* @returns Log event (日志事件)
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*/
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createEvent(level, message) {
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return {
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level,
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levelName: Level[level],
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message,
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timestamp: /* @__PURE__ */ new Date(),
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loggerName: this.name,
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context: this.context
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};
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}
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/**
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* Log a message (记录日志)
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* @param level Log level (日志级别)
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* @param message Content (内容)
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*/
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log(level, message) {
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if (level > this._level) {
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return;
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}
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const event = this.createEvent(level, message);
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this.appenders.forEach((appender) => {
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try {
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appender.write(event);
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} catch (err) {
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console.error("Appender error:", err);
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}
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});
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}
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}
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module.exports = Logger;
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