cris-shared/dist/utils/logger.js

A collection of reusable utilities and shared code for microservices.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.winstonLogger = void 0;
const winston_1 = __importDefault(require("winston"));
const winston_loki_1 = __importDefault(require("winston-loki"));
const winstonLogger = (lokiUrl, name, level, nodeEnv) => {
    const options = {
        console: {
            level,
            handleExceptions: true,
            format: winston_1.default.format.combine(winston_1.default.format.timestamp({ format: "YYYY-MM-DD HH:mm:ss" }), winston_1.default.format.colorize({ all: true }), winston_1.default.format.printf(({ level, message, label, timestamp }) => {
                return `${timestamp} [${label || name}] ${level}: ${message}`;
            })),
            json: false,
        },
        file: {
            level: level,
            handleExceptions: true,
            format: winston_1.default.format.combine(winston_1.default.format.timestamp({ format: "YYYY-MM-DD HH:mm:ss.SSS" }), winston_1.default.format.printf(({ level, message, label, timestamp }) => {
                return `${timestamp} [${label || name}] ${level}: ${message}`;
            })),
        },
        loki: {
            labels: { app: name, environment: nodeEnv },
            level,
            host: lokiUrl,
            format: winston_1.default.format.json(),
            replaceTimestamp: true,
            onConnectionError: (err) => console.error(err),
        },
    };
    let transports = [];
    if (nodeEnv === "development") {
        transports = [
            new winston_1.default.transports.Console(options.console),
            new winston_1.default.transports.File({
                ...options.file,
                filename: "logs/error.log",
                level: "error",
            }),
            new winston_1.default.transports.File({
                ...options.file,
                filename: "logs/app.log",
            }),
            new winston_loki_1.default(options.loki),
        ];
    }
    else {
        transports = [
            new winston_1.default.transports.File({
                ...options.file,
                filename: "logs/error.log",
                level: "error",
            }),
            new winston_1.default.transports.File({
                ...options.file,
                filename: "logs/app.log",
            }),
            new winston_loki_1.default(options.loki),
        ];
    }
    const logger = winston_1.default.createLogger({
        exitOnError: false,
        defaultMeta: { service: name },
        transports: transports,
    });
    return logger;
};
exports.winstonLogger = winstonLogger;
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