egg_server/log/index.ts

import "winston-daily-rotate-file"

import winston, { format } from "winston"

const isProd = process.env.NODE_ENV === "production"

const transports: any[] = [
  new winston.transports.Console({
    level: "info",
  }),
]

if (isProd) {
  const config = {
    datePattern: "YYYY-MM-DD",
    zippedArchive: true,
    maxSize: "20m",
    maxFiles: "14d",
  }

  transports.push(
    new winston.transports.DailyRotateFile({
      level: "info",
      filename: "/home/work/log/egg-info-%DATE%.log",
      ...config,
    })
  )
  transports.push(
    new winston.transports.DailyRotateFile({
      level: "debug",
      filename: "/home/work/log/egg-debug-%DATE%.log",
      ...config,
    })
  )
}

const loggerIns = winston.createLogger({
  level: "silly",
  format: format.combine(
    format.colorize({
      level: !isProd,
    }), // 开发环境下输出彩色日志
    format.simple(), // 简单文本格式化
    format.timestamp({ format: "YYYY-MM-DD HH:mm:ss" }),
    format.printf(({ level, message, timestamp, requestId }) => {
      const singleLineMessage = isProd
        ? message.replace(/\n/g, " ") // 将换行符替换为空格
        : message
      return `${timestamp} [${level}]${requestId ? ` [RequestId: ${requestId}]` : ""}: ${singleLineMessage}`
    })
  ),
  transports,
})

export default loggerIns