@hestjs/logger/dist/factory.js

HestJS Logger - A powerful logging solution based on Pino

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createLogger = createLogger;
exports.createLoggerWithContext = createLoggerWithContext;
exports.createChildLogger = createChildLogger;
const pino_1 = __importDefault(require("pino"));
const pino_pretty_1 = __importDefault(require("pino-pretty"));
const config_1 = require("./config");
const formatters_1 = require("./formatters");
const logger_1 = require("./logger");
const serializers_1 = require("./serializers");
/**
 * 创建 Logger 实例
 */
function createLogger(name, config) {
    // 合并配置：默认配置 -> 环境配置 -> 环境变量配置 -> 用户配置
    const envConfig = (0, config_1.getEnvironmentConfig)();
    const envVarConfig = (0, config_1.createConfigFromEnv)();
    const userConfig = config || {};
    // 如果提供了名称，添加到配置中
    if (name) {
        userConfig.name = name;
    }
    const finalConfig = (0, config_1.mergeConfig)(envConfig, envVarConfig, userConfig);
    // 设置默认序列化器和格式化器
    if (!finalConfig.serializers) {
        finalConfig.serializers = (0, serializers_1.getDefaultSerializers)();
    }
    if (!finalConfig.formatters) {
        finalConfig.formatters = (0, formatters_1.getDefaultFormatters)();
    }
    // 根据环境创建 logger
    const environment = process.env.NODE_ENV || "development";
    let pinoLogger;
    if (environment === "development" || environment === "dev") {
        // 开发环境使用 pino-pretty 作为流
        const stream = (0, pino_pretty_1.default)({
            levelFirst: false,
            colorize: true,
            ignore: "pid,hostname,error", // 忽略重复的error字段，只显示err
            translateTime: "yy-mm-dd HH:MM:ss.l",
            messageFormat: "{msg}",
            customLevels: {
                fatal: 60,
                error: 50,
                warn: 40,
                info: 30,
                debug: 20,
                trace: 10,
            },
            customColors: {
                60: "bgRed",
                50: "red",
                40: "yellow",
                30: "green",
                20: "blue",
                10: "gray",
            },
        });
        const pinoConfig = {
            name: finalConfig.name || name || "HestJS",
            level: finalConfig.level || "debug",
            serializers: finalConfig.serializers || {},
            formatters: finalConfig.formatters || {},
        };
        pinoLogger = (0, pino_1.default)(pinoConfig, stream);
    }
    else {
        // 生产环境直接输出 JSON 到 stdout
        pinoLogger = (0, pino_1.default)({
            name: finalConfig.name || "HestJS",
            level: finalConfig.level || "info",
            serializers: finalConfig.serializers || {},
            formatters: finalConfig.formatters || {},
        });
    }
    // 如果有 name，创建一个 child logger 来包含 name
    const loggerName = name || finalConfig.name || "HestJS";
    const loggerWithName = pinoLogger.child({ name: loggerName });
    // 返回 HestLogger 实例
    return new logger_1.HestLogger(loggerWithName);
}
/**
 * 创建带有上下文的 Logger
 */
function createLoggerWithContext(name, context, config) {
    const logger = createLogger(name, config);
    return logger.setContext(context);
}
/**
 * 创建子 Logger
 */
function createChildLogger(parent, bindings) {
    return parent.child(bindings);
}
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