// 订单时间展示格式化：今天显示 HH:mm，昨天显示“昨天 HH:mm”，更早显示 MM-DD HH:mm
export function formatOrderTime(iso) {
  if (!iso) return ''
  const d = new Date(iso)
  if (isNaN(d.getTime())) return ''
  const now = new Date()
  const p = (n) => String(n).padStart(2, '0')
  const hm = `${p(d.getHours())}:${p(d.getMinutes())}`
  if (d.toDateString() === now.toDateString()) return hm
  const y = new Date(now)
  y.setDate(now.getDate() - 1)
  if (d.toDateString() === y.toDateString()) return '昨天 ' + hm
  return `${p(d.getMonth() + 1)}-${p(d.getDate())} ${hm}`
}