export function normalizeSiteBase(value = '/') {
  const trimmed = value.trim()
  if (!trimmed || trimmed === '/')
    return '/'

  return `/${trimmed.replace(/^\/+|\/+$/g, '')}/`
}

export function joinBase(base: string, ...parts: string[]) {
  const normalized = normalizeSiteBase(base)
  const suffix = parts
    .map(part => part.replace(/^\/+|\/+$/g, ''))
    .filter(Boolean)
    .join('/')

  return suffix ? `${normalized}${suffix}/` : normalized
}