sub-manager-backend/logger.mjs

import pino from "pino";
import path from "path";
import { fileURLToPath } from "url";
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

// const transport = pino.transport({
//     targets: [{
//         level: 'trace',
//         target: 'pino-pretty' // must be installed separately
//     }, {
//         level: 'trace',
//         target: 'pino/file',
//         options: { destination: `${__dirname}/app.log` }
//     }]
// })
export default pino(
  {
    level: "info",
    formatters: {
      level: (label) => {
        return { level: label.toUpperCase() };
      },
    },
    timestamp: pino.stdTimeFunctions.isoTime,
  },
  //pino.destination(`${__dirname}/app.log`)
);