kra-etims-sdk/src/utils/logger.js

Kenya Revenue Authority (KRA) Electronic Tax Invoice Management System (eTims) API Integration SDK

/**
 * Logger utility for KRA eTims SDK
 * Provides consistent logging across the application
 */
const winston = require('winston');

const logger = winston.createLogger({
  level: process.env.NODE_ENV === 'production' ? 'info' : 'debug',
  format: winston.format.combine(
    winston.format.timestamp({
      format: 'YYYY-MM-DD HH:mm:ss'
    }),
    winston.format.errors({ stack: true }),
    winston.format.splat(),
    winston.format.json()
  ),
  defaultMeta: { service: 'kra-etims-sdk' },
  transports: [
    new winston.transports.Console({
      format: winston.format.combine(
        winston.format.colorize(),
        winston.format.printf(
          info => `${info.timestamp} ${info.level}: ${info.message}`
        )
      )
    })
  ]
});

//file transport in production
if (process.env.NODE_ENV === 'production') {
  logger.add(
    new winston.transports.File({ 
      filename: 'logs/error.log', 
      level: 'error' 
    })
  );
  logger.add(
    new winston.transports.File({ 
      filename: 'logs/combined.log' 
    })
  );
}

module.exports = logger;