githubpoints/githubpoints-projects.js

var calculateIssuePoints = function () {
  let links = document.getElementsByClassName('js-project-card-issue-link');
  for (let count = 0; count < links.length; count++) {
    let link = links[count];
    let points_mark = link.text.match(/^\(\d+\)*/);
    if (points_mark) {
      let points = points_mark[0].replace(/\(|\)/g, '');
      link.innerHTML = link.text.replace(/^\(\d+\)/, '<span class="issue-points">' + points + '</span>');
    }
  };
};

var updatePoints = function () {
  calculateIssuePoints();
  let columns = document.getElementsByClassName('project-column');
  for (let count = 0; count < columns.length; count++) {
    let total = 0;
    let column = columns[count];
    let point_marks = column.getElementsByClassName('issue-points');
    for (let j = 0; j < point_marks.length; j++) {
      total += parseInt(point_marks[j].textContent);
    }
    let header = column.getElementsByTagName('h4')[0];
    let column_points = header.getElementsByClassName('column-points');
    if (column_points.length > 0) {
      column_points[0].innerHTML = total;
    } else {
      header.innerHTML = '<span class="column-points">' + total + '</span>' + header.innerHTML;
    }
  };
};

window.setInterval(updatePoints, 2000);