@fdm-monster/server/dist/handlers/logging/static.logger.js

FDM Monster is a bulk OctoPrint, Klipper, PrusaLink and BambuLab manager to set up, configure and monitor 3D printers. Our aim is to provide neat overview over your farm.

import { AppConstants } from "../../server.constants.js";
import { isDevelopmentEnvironment } from "../../utils/env.utils.js";
import { createLokiLoggingTransport } from "./loki-logging.transport.js";
import { createFileLoggingTransport } from "./file-logging.transport.js";
import winston from "winston";
import process from "node:process";
//#region src/handlers/logging/static.logger.ts
let staticLogger = null;
const levelMap = {
	error: "ERR",
	warn: "WRN",
	info: "INF",
	debug: "DBG",
	http: "HTT",
	verbose: "VRB",
	silly: "SLY"
};
const logContextClassProperty = "class";
function getStaticLogger() {
	if (!staticLogger) throw new Error("Logger not yet initialized.");
	return staticLogger;
}
function createStaticLogger(config) {
	if (staticLogger) return;
	const isProd = process.env[AppConstants.NODE_ENV_KEY] === AppConstants.defaultProductionEnv;
	const isTest = process.env[AppConstants.NODE_ENV_KEY] === AppConstants.defaultTestEnv;
	const effectiveLogLevel = isProd || isTest ? "warn" : "debug";
	const lokiTransport = createLokiLoggingTransport({ logLevel: effectiveLogLevel });
	const extraWinstonTransports = [];
	if (lokiTransport) extraWinstonTransports.push(lokiTransport);
	const fileLoggerTransport = createFileLoggingTransport({
		enabled: config.enableFileLogs,
		isTest
	});
	if (fileLoggerTransport) extraWinstonTransports.push(fileLoggerTransport);
	staticLogger = winston.createLogger({
		transports: [...extraWinstonTransports, new winston.transports.Console({
			level: effectiveLogLevel,
			format: winston.format.combine(...isDevelopmentEnvironment() && process.env[AppConstants.ENABLE_COLORED_LOGS_KEY] == "true" ? [
				winston.format((info) => {
					info.rawLevel = info.level;
					return info;
				})(),
				winston.format.colorize({
					colors: {
						error: "red",
						warn: "yellow",
						info: "white",
						debug: "gray",
						http: "magenta",
						verbose: "cyan",
						silly: "gray"
					},
					level: true,
					message: true,
					all: false
				}),
				winston.format.printf((info) => {
					const now = /* @__PURE__ */ new Date();
					const timestamp = `${now.toISOString().split("T")[0]} ${now.toTimeString().split(" ")[0]}.${now.getMilliseconds().toString().padStart(3, "0")}`;
					const levelAbbr = levelMap[info.rawLevel] ?? info.rawLevel.substring(0, 3).toUpperCase();
					const gray = "\x1B[90m";
					const reset = info.message.substring(0, 5) ?? "\x1B[0m";
					const numberRegex = /\b\d+\b/g;
					const coloredMessage = info.message.replace(numberRegex, (match) => `\x1b[35m${match}${reset}`);
					let logEntry = `${gray}[${timestamp} ${reset}${levelAbbr}${reset}${gray}]${reset} ${gray}[${reset}${info["class"] ?? "unknown"}${gray}]${reset} ${coloredMessage}`;
					if (info.meta) {
						const coloredMeta = JSON.stringify(info.meta).replace(numberRegex, (match) => `\x1b[35m${match}${reset}`);
						logEntry += ` ${coloredMeta}`;
					}
					return logEntry;
				})
			] : [])
		})],
		format: winston.format.printf((info) => {
			const now = /* @__PURE__ */ new Date();
			let message = `[${`${now.toISOString().split("T")[0]} ${now.toTimeString().split(" ")[0]}.${now.getMilliseconds().toString().padStart(3, "0")}`} ${levelMap[info.level] || `[${info.level.substring(0, 3).toUpperCase()}]`}] [${info["class"] ?? "unknown"}] ${info.message}`;
			if (info.meta) {
				const pascalCaseMeta = Object.entries(info.meta).reduce((acc, [key, value]) => {
					const pascalKey = key.charAt(0).toUpperCase() + key.slice(1);
					acc[pascalKey] = value;
					return acc;
				}, {});
				message += ` ${JSON.stringify(pascalCaseMeta)}`;
			}
			return message;
		})
	});
}
//#endregion
export { createStaticLogger, getStaticLogger, logContextClassProperty };

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