Extract a pipeline's jobs durations in GitLab CI

pipeline-stages-stats.js

// paste & run in browser console, at:
// https://gitlab.com/<login>/<repo>/-/pipelines/<pipeline id>/builds
(() => {
  const jobsTable = document.querySelector("[data-testid=jobs-tab-table]");
  const rows = jobsTable.querySelectorAll("tbody tr");
  const jobs = Array.from(rows)
    .reverse()
    .map((row) => {
      const duration = row
        .querySelector("[data-testid=job-duration]")
        .textContent.trim();
      const stage = row
        .querySelector("[data-testid=job-stage-name]")
        .textContent.trim();
      return { stage, duration };
    });
  console.log(JSON.stringify(jobs, null, 2));
})();