src/utils/Logger.ts

   1 import type { FormatWrap } from 'logform';
   2 import { 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 } from './Configuration';
   7 import { insertAt } from './Utils';
   8
   9 let transports: transport[];
  10 if (Configuration.getLog().rotate === true) {
  11   const logMaxFiles = Configuration.getLog().maxFiles;
  12   const logMaxSize = Configuration.getLog().maxSize;
  13   transports = [
  14     new DailyRotateFile({
  15       filename: insertAt(
  16         Configuration.getLog().errorFile,
  17         '-%DATE%',
  18         Configuration.getLog().errorFile?.indexOf('.log'),
  19       ),
  20       level: 'error',
  21       ...(logMaxFiles && { maxFiles: logMaxFiles }),
  22       ...(logMaxSize && { maxSize: logMaxSize }),
  23     }),
  24     new DailyRotateFile({
  25       filename: insertAt(
  26         Configuration.getLog().file,
  27         '-%DATE%',
  28         Configuration.getLog().file?.indexOf('.log'),
  29       ),
  30       ...(logMaxFiles && { maxFiles: logMaxFiles }),
  31       ...(logMaxSize && { maxSize: logMaxSize }),
  32     }),
  33   ];
  34 } else {
  35   transports = [
  36     new TransportType.File({ filename: Configuration.getLog().errorFile, level: 'error' }),
  37     new TransportType.File({ filename: Configuration.getLog().file }),
  38   ];
  39 }
  40
  41 export const logger = createLogger({
  42   silent: !Configuration.getLog().enabled,
  43   level: Configuration.getLog().level,
  44   format: format.combine(format.splat(), (format[Configuration.getLog().format] 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.getLog().console) {
  53   logger.add(
  54     new TransportType.Console({
  55       format: format.combine(
  56         format.splat(),
  57         (format[Configuration.getLog().format] as FormatWrap)(),
  58       ),
  59     }),
  60   );
  61 }