// Generated, do not edit. sha256:0538b89d6c5865b07db285c6e78de905962d2d2f2b35ac9aeee58cf04054fbe2
let current = null;

export function isPopoverOpen() { return current !== null; }

export function closePopover() {
  if (!current) return;
  const c = current;
  current = null;
  c.cleanup();
  c.el.remove();
  if (c.onClose) c.onClose();
}

export function openPopover(anchorEl, { className, onClose } = {}) {
  closePopover();

  const el = document.createElement('div');
  el.className = className || 'popover';
  const overlays = document.querySelectorAll('.dialog-overlay');
  (overlays.length ? overlays[overlays.length - 1] : document.body).appendChild(el);

  function position() {
    const r = anchorEl.getBoundingClientRect();
    const pad = 8;
    let left = r.left;
    let top = r.bottom + 6;
    const pw = el.offsetWidth, ph = el.offsetHeight;
    if (left + pw > window.innerWidth - pad) left = window.innerWidth - pad - pw;
    if (left < pad) left = pad;
    if (top + ph > window.innerHeight - pad) top = Math.max(pad, r.top - ph - 6);
    el.style.left = `${left}px`;
    el.style.top = `${top}px`;
  }

  const reposition = () => { if (current && current.el === el) position(); };
  const onDocClick = e => {
    if (el.contains(e.target) || (anchorEl && anchorEl.contains(e.target))) return;
    closePopover();
  };
  const onKey = e => { if (e.key === 'Escape') closePopover(); };

  let bindTimer = null;
  const cleanup = () => {
    clearTimeout(bindTimer);
    document.removeEventListener('click', onDocClick, true);
    document.removeEventListener('keydown', onKey);
    window.removeEventListener('resize', reposition);
    window.removeEventListener('scroll', reposition, true);
  };

  current = { el, cleanup, onClose };

  bindTimer = setTimeout(() => document.addEventListener('click', onDocClick, true), 0);
  document.addEventListener('keydown', onKey);
  window.addEventListener('resize', reposition);
  window.addEventListener('scroll', reposition, true);

  return { el, position, close: closePopover };
}