src/utils/Logger.ts

   1 import type { FormatWrap } from 'logform';
   2 import { type Logger, createLogger, format, type transport } from 'winston';
   3 import TransportType from 'winston/lib/winston/transports/index.js';
   4 import DailyRotateFile from 'winston-daily-rotate-file';
   5
   6 // import { Configuration, Utils } from './internal';
   7 import { Configuration } from './Configuration';
   8 import { Utils } from './Utils';
   9
  10 let transports: transport[];
  11 if (Configuration.getLogRotate() === true) {
  12   const logMaxFiles = Configuration.getLogMaxFiles();
  13   const logMaxSize = Configuration.getLogMaxSize();
  14   transports = [
  15     new DailyRotateFile({
  16       filename: Utils.insertAt(
  17         Configuration.getLogErrorFile(),
  18         '-%DATE%',
  19         Configuration.getLogErrorFile()?.indexOf('.log')
  20       ),
  21       level: 'error',
  22       ...(logMaxFiles && { maxFiles: logMaxFiles }),
  23       ...(logMaxSize && { maxSize: logMaxSize }),
  24     }),
  25     new DailyRotateFile({
  26       filename: Utils.insertAt(
  27         Configuration.getLogFile(),
  28         '-%DATE%',
  29         Configuration.getLogFile()?.indexOf('.log')
  30       ),
  31       ...(logMaxFiles && { maxFiles: logMaxFiles }),
  32       ...(logMaxSize && { maxSize: logMaxSize }),
  33     }),
  34   ];
  35 } else {
  36   transports = [
  37     new TransportType.File({ filename: Configuration.getLogErrorFile(), level: 'error' }),
  38     new TransportType.File({ filename: Configuration.getLogFile() }),
  39   ];
  40 }
  41
  42 const logger: Logger = createLogger({
  43   level: Configuration.getLogLevel(),
  44   format: format.combine(format.splat(), (format[Configuration.getLogFormat()] as FormatWrap)()),
  45   transports,
  46 });
  47
  48 //
  49 // If enabled, log to the `console` with the format:
  50 // `${info.level}: ${info.message} JSON.stringify({ ...rest }) `
  51 //
  52 if (Configuration.getLogConsole()) {
  53   logger.add(
  54     new TransportType.Console({
  55       format: format.combine(
  56         format.splat(),
  57         (format[Configuration.getLogFormat()] as FormatWrap)()
  58       ),
  59     })
  60   );
  61 }
  62
  63 export { logger };