export function value(input) { return input === undefined || input === null || input === '' ? '-' : String(input) }
export function escapeHtml(text) { return String(text ?? '').replace(/[&<>"']/g, ch => ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;', "'": '&#39;' }[ch])) }
export function formatBytes(input) {
  if (input === undefined || input === null || input === '') return '-'
  const number = Number(input)
  if (!Number.isFinite(number)) return value(input)
  const units = ['B', 'KB', 'MB', 'GB', 'TB']; let size = Math.abs(number); let index = 0
  while (size >= 1024 && index < units.length - 1) { size /= 1024; index += 1 }
  return `${number < 0 ? -size : size.toFixed(size >= 10 || index === 0 ? 0 : 1)} ${units[index]}`
}