@apistudio/apim-cli/node_modules/@apic/studio-logger/src/utils.ts

CLI for API Management Products

/**
* Copyright Super iPaaS Integration LLC, an IBM Company 2024
*/
import winston from 'winston';
import DailyRotateFile from 'winston-daily-rotate-file';
import { LoggerConfig } from './logger-config.js';

export function getLogger(moduleName: string) {
	return winston.loggers.get(moduleName);
}

const createFormat = (formatType: string, moduleName: string) => {
	switch (formatType) {
	case 'text':
		return winston.format.combine(
			winston.format.timestamp(),
			winston.format.simple(),
			winston.format.label({ label: moduleName }),
			winston.format.printf(
				({ level, message, label, timestamp }) =>
					`${timestamp} [${label}] ${level}: ${message}`
			)
		);
	case 'json':
	default:
		return winston.format.combine(
			winston.format.timestamp(),
			winston.format.label({ label: moduleName }),
			winston.format.json()
		);

	}
};
export function createLoggerInstance(moduleName: string): winston.Logger {
	const format = createFormat(LoggerConfig.getLoggerFormat(), moduleName);

	const consoleTransport = new winston.transports.Console();
	const transportList = [];
	if (process.env.STU_FILE_LOG_ENABLED === 'true') {
		transportList.push(new DailyRotateFile({
			filename: LoggerConfig.getFilename(),
			datePattern: LoggerConfig.getDatePattern(),
			zippedArchive: LoggerConfig.getZippedArchive(),
			maxSize: LoggerConfig.getMaxSize(),
			maxFiles: LoggerConfig.getMaxFiles(),
		}));
	}
	if (process.env.STU_CONSOLE_LOG_ENABLED === 'true') {
		transportList.push(consoleTransport);
	}
	return winston.loggers.add(moduleName, {
		format: format,
		transports: transportList,
	});
}