Highcharts Export Server Node Module

highcharts-export-server-node.js

const exporter = require('highcharts-export-server');

const chartExport = {
  initPool: function (){
    exporter.initPool({   // experiment with different values here to optimize performance
      maxWorkers: 10,
      initialWorkers: 1,
      workLimit: 25,
      timeoutThreshold: 2000,
      queueSize: 3,
      listenToProcessExits: 0     // set to 0 to skip attaching process.exit handlers
    })
    return false;
  },
  killPool: function(){
    exporter.killPool();
    return false;
  },
  export: function(exportSettings){
    return new Promise((resolve, reject) => {

      exporter.export(exportSettings, function(err, res){

        if(err){
          console.log(err);
          return reject(err);
        }

        const data = res.data;

        return resolve(data);
      })
    })
  }
}

module.exports = chartExport;