class ViteRuby::Builder

def watched_files_digest

changes, and skip Vite builds if no files have changed.
Internal: Returns a digest of all the watched files, allowing to detect 
def watched_files_digest
  return @last_digest if @last_digest_at && Time.now - @last_digest_at < 1
  config.within_root do
    files = Dir[*config.watched_paths].reject { |f| File.directory?(f) }
    file_ids = files.sort.map { |f| "#{ File.basename(f) }/#{ Digest::SHA1.file(f).hexdigest }" }
    @last_digest_at = Time.now
    @last_digest = Digest::SHA1.hexdigest(file_ids.join('/'))
  end
end