/** Normalizes a route prefix to a leading slash with no trailing slash. */
export function normalize(path: string) {
  const normalized = path.startsWith('/') ? path : `/${path}`
  if (normalized.length > 1 && normalized.endsWith('/')) return normalized.slice(0, -1)
  return normalized
}

/** Joins URL path segments into one normalized absolute path. */
export function join(...segments: string[]) {
  const path = segments
    .flatMap((segment) => segment.split('/'))
    .filter(Boolean)
    .join('/')
  return path ? `/${path}` : '/'
}