module NSWTopo::Formats

def render_svgz(svgz_path, background:, **options)
  Dir.mktmppath do |temp_dir|
    svg_path = temp_dir / "svgz-map.svg"
    render_svg svg_path, background: background
    Zlib::GzipWriter.open svgz_path do |gz|
      gz.write svg_path.binread
    end
  end
end