Parse simracing.gp results table into CSV file

index.js

(() => {
  function parseTable(tableSelector = 'table') {
    const tableElement = document.querySelector(tableSelector);
    const rows = tableElement.querySelectorAll(`tr`);
    const table = Array.from(rows).map((row) => {
      const cols = row.querySelectorAll('td');
      return Array.from(cols).map((col) => col.innerText);
    });
    return table;
  }

  function createCSVDataUrl(content) {
    return `data:text/csv;charset=utf-8,${encodeURIComponent(content)}`;
  }

  function downloadDataUrl(data, filename) {
    const link = document.createElement('a');
    link.setAttribute('href', data);
    link.setAttribute('target', '_blank');
    link.setAttribute('download', filename);
    link.click();
  }

  function serializeTableAsCSV(table, separator = ',') {
    return table.map((row) => row.join(separator)).join('\n');
  }

  function convertCellToTableDurationFormat(text) {
    return text.replace(/:(?=\d\d\d)/, '.');
  }

  const table = parseTable().map((row) =>
    row.map(convertCellToTableDurationFormat)
  );
  const csvDataUrl = createCSVDataUrl(serializeTableAsCSV(table));

  downloadDataUrl(csvDataUrl, 'sgpTable.csv');
})();