// Explicit message/card location feedback. The middle and work panes scroll independently.

/** 给已定位的节点加上 mk-flash，1.2s 后摘掉。 */
export function flashElement(el: Element | null) {
  if (!el || typeof window === 'undefined') return
  el.classList.remove('mk-flash')
  void (el as HTMLElement).offsetWidth
  el.classList.add('mk-flash')
  window.setTimeout(() => el.classList.remove('mk-flash'), 1200)
}