var buf bytes.Buffer
	zw := gzip.NewWriter(&buf)

	// Setting the Header fields is optional.
	zw.Name = "a-new-hope.txt"
	zw.Comment = "an epic space opera by George Lucas"
	zw.ModTime = time.Date(1977, time.May, 25, 0, 0, 0, 0, time.UTC)

	_, err := zw.Write([]byte("A long time ago in a galaxy far, far away..."))
	if err != nil {
		log.Fatal(err)
	}

	if err := zw.Close(); err != nil {
		log.Fatal(err)
	}

func main() {
	log.SetPrefix("mkzip: ")
	log.SetFlags(0)
	flag.Usage = usage
	flag.Parse()
	args := flag.Args()
	if len(args) != 1 || !strings.HasSuffix(args[0], ".zip") {
		usage()
	}

	var zb bytes.Buffer
	zw := zip.NewWriter(&zb)
	seen := make(map[string]bool)
	err := filepath.WalkDir(".", func(path string, d fs.DirEntry, err error) error {
		if d.IsDir() {
			return nil
		}
		data, err := os.ReadFile(path)

	// We'll (arbitrarily) choose the base of the remote path.
	basePath := path.Join(path.Base(remote), subdir)

	zw := zip.NewWriter(dst)
	for _, e := range list.Entries {
		if e.Kind != "file" {
			continue
		}

		zf, err := zw.Create(path.Join(basePath, e.Name))
		if err != nil {
			return err
		}

		f, err := os.Open(filepath.Join(exportDir, e.Name))
		if err != nil {

		t.Fatal(err)
	}
	return buf.Bytes()
}

func createGZ(t *testing.T, b []byte) []byte {
	t.Helper()
	var buf bytes.Buffer
	zw := gzip.NewWriter(&buf)
	if _, err := zw.Write(b); err != nil {
		t.Fatal(err)
	}

	if err := zw.Close(); err != nil {
		t.Fatal(err)
	}

	return buf.Bytes()
}

func TestWasmHTTPFetchCompressedOrTarFile(t *testing.T) {

000000d0  94 00 6f 00 69 00 00 00  00 00 00 00 00 00 00 00  |..o.i...........|
000000e0  00 00 00 00 00 94 68 2d  a3 82 51 ed 14 ef 68 ca  |......h-..Q...h.|
000000f0  42 c5 5c 95 7a 77 9a 7a  61 99 c6 44 1e e6 5d 71  |B.\.zw.za..D..]q|
00000100  41 c8 77 d1 d4 b6 39 bb  38 57 41 b8 41 f2 02 96  |A.w...9.8WA.A...|
00000110  d0 b0 5b 99 76 3c 2b 52  f2 8f 5f 33 94 fa 66 74  |..[.v<+R.._3..ft|

000000d0  2d b4 59 00 29 00 94 00  6f 00 69 00 00 00 00 00  |-.Y.)...o.i.....|
000000e0  00 00 00 00 00 00 00 00  00 00 00 94 68 2d a3 82  |............h-..|
000000f0  51 ed 14 ef 68 ca 42 c5  5c 95 7a 77 9a 7a 61 99  |Q...h.B.\.zw.za.|
00000100  c6 44 1e e6 5d 71 41 c8  77 d1 d4 b6 39 bb 38 57  |.D..]qA.w...9.8W|
00000110  41 b8 41 f2 02 96 d0 b0  5b 99 76 3c 2b 52 f2 8f  |A.A.....[.v<+R..|