Logging in nodejs

logger.js

//log
const log4js = require("log4js");
const path = require("path");
log4js.configure({
  appenders: {
    info: {
      type: "dateFile",
      filename: path.join(__dirname, "../logs", "info.log")
    },
    errors: {
      type: "dateFile",
      filename: path.join(__dirname, "../logs", "errors.log")
    },
    debug:{
        type:"dateFile",
        filename:path.join(__dirname, "../logs", "debug.log")
    }
  },
  categories: {
    default: { appenders: ["info"], level: "info" },
    Err: { appenders: ["errors"], level: "error" },
    debug: {appenders:['debug'],level:"debug"}
  }
});

module.exports.logInfo = log4js.getLogger("info");
module.exports.logerr = log4js.getLogger("Err");
exports.debugLog = log4js.getLogger("debug");

somefile.js

const { errorLog } = require("./backend/src/helpers/logger");

errorLog.error("Whatever we want to log");