[Chartjs]-Download or Export Chart.js data to CSV

const dataLabels = ['Jan', 'Feb', 'March', 'April', 'May', 'June', 'July'];
const data = {
  labels: dataLabels,
  datasets: [{
      label: 'Dataset 1',
      data: [65, 59, 80, 81, 56, 55, 40],
      backgroundColor: [
        'rgba(255, 99, 132, 0.2)',
        'rgba(255, 159, 64, 0.2)',
        'rgba(255, 205, 86, 0.2)',
        'rgba(75, 192, 192, 0.2)',
        'rgba(54, 162, 235, 0.2)',
        'rgba(153, 102, 255, 0.2)',
        'rgba(201, 203, 207, 0.2)'
      ],
      borderColor: [
        'rgb(255, 99, 132)',
        'rgb(255, 159, 64)',
        'rgb(255, 205, 86)',
        'rgb(75, 192, 192)',
        'rgb(54, 162, 235)',
        'rgb(153, 102, 255)',
        'rgb(201, 203, 207)'
      ],
      borderWidth: 1
    },
    {
      label: 'Dataset 2',
      data: [55, 69, 70, 61, 66, 45, 50],
      backgroundColor: [
        'rgba(255, 99, 132, 0.2)',
        'rgba(255, 159, 64, 0.2)',
        'rgba(255, 205, 86, 0.2)',
        'rgba(75, 192, 192, 0.2)',
        'rgba(54, 162, 235, 0.2)',
        'rgba(153, 102, 255, 0.2)',
        'rgba(201, 203, 207, 0.2)'
      ],
      borderColor: [
        'rgb(255, 99, 132)',
        'rgb(255, 159, 64)',
        'rgb(255, 205, 86)',
        'rgb(75, 192, 192)',
        'rgb(54, 162, 235)',
        'rgb(153, 102, 255)',
        'rgb(201, 203, 207)'
      ],
      borderWidth: 1
    }
  ]
};

const config = {
  type: 'bar',
  data: data,
  options: {
    scales: {
      y: {
        beginAtZero: true
      }
    }
  },
};

var chart = new Chart(document.getElementById('chartContainer'), config);

document.getElementById("downloadCSV").addEventListener("click", function() {
  downloadCSV({
    filename: "chart-data.csv",
    chart: chart
  })
});

function convertChartDataToCSV(args) {
  let result, columnDelimiter, lineDelimiter, labels, data;

  data = args.data.data || null;
  if (data == null || !data.length) {
    return null;
  }

  labels = args.labels || null;
  if (labels == null || !labels.length) {
    return null;
  }

  columnDelimiter = args.columnDelimiter || ',';
  lineDelimiter = args.lineDelimiter || '\n';

  result = '' + columnDelimiter;
  result += labels.join(columnDelimiter);
  result += lineDelimiter;

  result += args.data.label.toString();

  for (let i = 0; i < data.length; i++) {
    result += columnDelimiter;
    result += data[i];
  }
  result += lineDelimiter;

  return result;
}

function downloadCSV(args) {
  var data, filename, link;
  var csv = "";
  for (var i = 0; i < chart.data.datasets.length; i++) {
    csv += convertChartDataToCSV({
      data: chart.data.datasets[i],
      labels: dataLabels
    });
  }
  if (csv == null) return;
  console.log(csv);

  filename = args.filename || 'chart-data.csv';
  if (!csv.match(/^data:text\/csv/i)) {
    csv = 'data:text/csv;charset=utf-8,' + csv;
  }

  // not sure if anything below this comment works
  data = encodeURI(csv);
  link = document.createElement('a');
  link.setAttribute('href', data);
  link.setAttribute('download', filename);
  document.body.appendChild(link); // Required for FF
  link.click();
  document.body.removeChild(link);
}

<script src=" https://cdn.jsdelivr.net/npm/chart.js@4.2.0/dist/chart.umd.min.js "></script>
<canvas id="chartContainer" style="height: 360px; width: 100%;"></canvas>
<button id="downloadCSV">Download Chart Data as CSV</button>