package convutil import ( "bytes" "github.com/klauspost/compress/zstd" "io" "strings" ) type ZStdConvert struct{} func (ZStdConvert) Encode(str string) (string, bool) { var compress = func(b []byte) (string, error) { var buf bytes.Buffer writer, err := zstd.NewWriter(&buf) if err != nil { return "", err } if _, err = writer.Write([]byte(str)); err != nil { writer.Close() return "", err } writer.Close() return string(buf.Bytes()), nil } if zstdStr, err := compress([]byte(str)); err == nil { return zstdStr, true } return str, false } func (ZStdConvert) Decode(str string) (string, bool) { if reader, err := zstd.NewReader(strings.NewReader(str)); err == nil { defer reader.Close() if decompressed, err := io.ReadAll(reader); err == nil { return string(decompressed), true } } return str, false }