feat: initial goget release — modern IPv6-first download utility

internal/compression/flate.go

@@ -0,0 +1,45 @@
+//go:build linux || freebsd
+// +build linux freebsd
+
+package compression
+
+import (
+	"compress/flate"
+	"fmt"
+	"io"
+)
+
+type flateDecompressor struct{ *BaseDecompressor }
+
+func NewFlateDecompressor() *flateDecompressor {
+	return &flateDecompressor{NewBaseDecompressor("flate", []string{}, []string{".deflate", ".fl"})}
+}
+
+// ✅ Oprava: flate.NewReader returns io.ReadCloser, ale my returnsme io.Reader
+func (f *flateDecompressor) Reader(r io.Reader) (io.ReadCloser, error) {
+	return flate.NewReader(r), nil
+}
+
+type flateCompressor struct {
+	name  string
+	level int
+}
+
+func NewFlateCompressor() *flateCompressor {
+	return &flateCompressor{name: "flate", level: flate.DefaultCompression}
+}
+
+func NewFlateCompressorWithLevel(level int) (*flateCompressor, error) {
+	if level < flate.HuffmanOnly || level > flate.BestCompression {
+		return nil, fmt.Errorf("invalid compression level: %d (must be %d-%d)",
+			level, flate.HuffmanOnly, flate.BestCompression)
+	}
+	return &flateCompressor{name: "flate", level: level}, nil
+}
+
+func (f *flateCompressor) Name() string { return f.name }
+func (f *flateCompressor) Writer(w io.Writer) (io.WriteCloser, error) {
+	return flate.NewWriter(w, f.level)
+}
+
+func init() { Register(NewFlateDecompressor()) }