config reloading example.js

const config = require('./config.json');

(async () => {
  for (let i = 0; i < config.serverList.length; i++) {
    const {serverIp, serverPort} = config.serverList[i];
    const serverInfo = await getServerInfo(serverIp, serverPort);
    if (serverInfo && serverInfo.constructor.name === 'Object') {
      config.serverList[i] = {...config.serverList[i], ...serverInfo};
    }
  }
  await saveConfigFile();
  await wait(10000);
})();

const wait = ms => new Promise(resolve => setTimeout(resolve, ms));
const getServerInfo = (ip, port) => {
  return new Promise(resolve => {
    fivereborn.query(
      ip, port,
      (error, data) => {
        if (error) {
          console.error(error);
          return resolve({});
        }
        resolve(data);
      });
  });
};

const fs = require('fs');
const path = require('path');
const configFile = path.join(__dirname, 'config.json');
const saveConfigFile = () => {
  return new Promise(resolve => {
    fs.writeFile(
      configFile,
      JSON.stringify(config, null, 4),
      (error) => {
        if (error) {
          console.log(error);
          return resolve();
        }
      });
  });
};