Implementation of Custom Highcharts Export Module

highcharts-export-module-implementation.js

const express = require('express');
const router = express.Router();
const exportCharts = require('./modules/export-charts.js');   // this is my export module

router.post('/mbd', async function(req,res){
  
  exportCharts.initPool();

  const chartOptions = req.body;
  
  const exportSettings = {
    type: 'jpeg',
    options: chartOptions,
    scale: 2,
  };

  const chart = await exportCharts.export(exportSettings)
    .then(response => {
      return response;
    })
    .catch(error => {
      return error;
    });
  
  exportCharts.killPool();

  res.status(200).send({chart});
});

module.exports = router