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