meta-server/src/logConfig.ts

import { utilities as nestWinstonModuleUtilities } from 'nest-winston';
import * as winston from 'winston';
import { join } from 'path';
import configuration from 'src/config/configuration';
import 'winston-daily-rotate-file';

let logDir: string;
if (process.env.NODE_ENV === 'development') {
  logDir = join(__dirname, './../log');
  console.log('测试服log', logDir);
}
if (process.env.NODE_ENV === 'production') {
  logDir = join(configuration().log.logFolder);
  console.log('正式服log', logDir);
}
console.log('logDir', logDir);

const dateTransport = new winston.transports.DailyRotateFile({
  level: 'verbose',
  dirname: logDir,
  filename: 'metaverse-%DATE%.log',
  datePattern: 'YYYY-MM-DD-HH',
  zippedArchive: true,
  maxSize: '20m',
  maxFiles: '14d',
});

const levels = {
  levels: {
    error: 0,
    warn: 1,
    info: 2,
    http: 3,
    verbose: 4,
    debug: 5,
    silly: 6,
  },
};
export const LoggerConfig = {
  levels: levels.levels,
  format: winston.format.combine(
    winston.format.ms(),
    winston.format.timestamp({
      format: 'YYYY-MM-DD HH:mm:ss:SSS',
    }),
    winston.format.metadata({
      fillExcept: ['message', 'level', 'timestamp', 'label', 'uid', 'rid'],
    }),
    winston.format.json(),
    winston.format.printf(
      (info) =>
        // eslint-disable-next-line prettier/prettier
        `${info.timestamp} [${info.level}] ${info.uid ? `[${info.uid}]` : ''} ${info.context || ''
        }: ${info.message}`,
    ),
    // nestWinstonModuleUtilities.format.nestLike('Meta-server', {
    //   prettyPrint: false,
    // }),
  ),
  exitOnError: false,
  transports: [
    dateTransport,
    new winston.transports.Console(),
    // new winston.transports.File({
    //   dirname: logDir, //path to where save loggin result
    //   filename: 'combine.log', //name of file where will be saved logging result
    //   level: 'debug',
    // }),
    // new winston.transports.File({
    //   dirname: logDir, //path to where save loggin result
    //   filename: 'combine.log', //name of file where will be saved logging result
    //   level: 'log',
    // }),

    new winston.transports.File({
      dirname: logDir,
      filename: 'combine.log',
      level: 'error',
    }),
    new winston.transports.File({
      dirname: logDir,
      filename: 'combine.log',
      level: 'verbose',
    }),
    new winston.transports.File({
      dirname: logDir,
      filename: 'bootsrap.log',
      level: 'warn',
    }),
    new winston.transports.File({
      dirname: logDir,
      filename: 'error.log',
      level: 'error',
    }),
  ],
};