shierro/music-server

const winston = require('winston');

const transports = [
  new (winston.transports.Console)({
    level: process.env.LOG_LEVEL || 'debug',
    colorize: false,
    handleExceptions: true,
    humanReadableUnhandledException: true,
    json: process.env.NODE_ENV === 'production',
    stringify: process.env.NODE_ENV === 'production',
    timestamp: true,
  }),
];

/* istanbul ignore next */
if (process.env.NODE_ENV === 'development') {
  require('winston-daily-rotate-file');
  transports.push(new (winston.transports.DailyRotateFile)({
    filename: '%DATE%.log',
    datePattern: 'YYYY-MM-DD-HH',
    zippedArchive: true,
    maxSize: '20m',
    maxFiles: '14d',
    dirname: 'logs',
  }));
}

/* istanbul ignore next */
const logger = process.env.NODE_ENV !== 'test'
  ? winston.createLogger({ transports })
  : {
    log: () => { },
    info: () => { },
    warn: () => { },
    error: () => { },
    debug: () => { },
  };

logger.logStream = {
  write: (message) => {
    logger.info(message);
  },
};

module.exports = logger;