dsf-seeded-sort.js

document.addEventListener('DOMContentLoaded', () => {
  const ol = document.querySelector('[data-candidates-toc]')

  // Get or create a random seed stored in session storage
  let seed = sessionStorage.getItem('dsf-board-candidates-2026-shuffle-seed')
  if (!seed) {
    seed = Math.random()
    sessionStorage.setItem('dsf-board-candidates-2026-shuffle-seed', seed)
  } else {
    seed = parseFloat(seed)
  }

  // Seeded random number generator
  let currentSeed = seed
  const seededRandom = () => {
    currentSeed = (currentSeed * 9301 + 49297) % 233280
    return currentSeed / 233280
  }

  // Shuffle <li> elements and reorder corresponding <section> elements
  Array.from(ol.children).sort(() => seededRandom() - 0.5).forEach(li => {
    ol.appendChild(li)
    const section = document.querySelector(li.querySelector('a').getAttribute('href')).parentElement
    section.parentElement.appendChild(section)
  })
})