src/utils/Logger.ts

   1 import 'winston-daily-rotate-file';
   2
   3 import Configuration from './Configuration';
   4 import Utils from './Utils';
   5 import winston from 'winston';
   6
   7 const maxLogFiles = 7;
   8
   9 const logger = winston.createLogger({
  10   level: Configuration.getLogLevel(),
  11   format: winston.format.combine(winston.format.splat(), winston.format[Configuration.getLogFormat()]()),
  12   transports: [
  13     //
  14     // - Write to all logs with level `info` and below to `combined.log`
  15     // - Write all logs error (and below) to `error.log`.
  16     //
  17     new winston.transports.DailyRotateFile({ filename: Utils.insertAt(Configuration.getLogErrorFile(), '-%DATE%', Configuration.getLogErrorFile().indexOf('.log')), level: 'error', maxFiles: maxLogFiles }),
  18     new winston.transports.DailyRotateFile({ filename: Utils.insertAt(Configuration.getLogFile(), '-%DATE%', Configuration.getLogFile().indexOf('.log')), maxFiles: maxLogFiles }),
  19   ],
  20 });
  21
  22 //
  23 // If enabled, log to the `console` with the format:
  24 // `${info.level}: ${info.message} JSON.stringify({ ...rest }) `
  25 //
  26 if (Configuration.getLogConsole()) {
  27   logger.add(new winston.transports.Console({
  28     format: winston.format.combine(winston.format.splat(), winston.format[Configuration.getLogFormat()]()),
  29   }));
  30 }
  31
  32 export default logger;