FlowLoss_SpeedTestPanel

export function formatDateTime(dateStr: string | null | undefined): string {
  if (!dateStr) return '-'
  return new Date(dateStr).toLocaleString('zh-CN', { hour12: false })
}

export function formatDate(dateStr: string | null | undefined): string {
  if (!dateStr) return '-'
  return new Date(dateStr).toLocaleDateString('zh-CN')
}

export function toLocalDatetimeInput(dateStr: string): string {
  if (!dateStr) return ''
  const d = new Date(dateStr)
  const year = d.getFullYear()
  const month = String(d.getMonth() + 1).padStart(2, '0')
  const day = String(d.getDate()).padStart(2, '0')
  const hours = String(d.getHours()).padStart(2, '0')
  const minutes = String(d.getMinutes()).padStart(2, '0')
  return `${year}-${month}-${day}T${hours}:${minutes}`
}