first commit

internal/tree/tree.go

@@ -0,0 +1,53 @@
+package tree
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"cliprepo/internal/gitignore"
+	"github.com/atotto/clipboard"
+)
+
+func Generate(root string) (string, error) {
+	ig, _ := gitignore.Load(root)
+
+	var builder strings.Builder
+
+	err := filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		if path == root {
+			builder.WriteString(".\n")
+			return nil
+		}
+
+		rel, _ := filepath.Rel(root, path)
+
+		if ig.MatchesPath(rel) {
+			if info.IsDir() {
+				return filepath.SkipDir
+			}
+			return nil
+		}
+
+		level := strings.Count(rel, string(os.PathSeparator))
+		prefix := strings.Repeat("│   ", level)
+
+		builder.WriteString(fmt.Sprintf("%s├── %s\n", prefix, info.Name()))
+		return nil
+	})
+
+	return builder.String(), err
+}
+
+func Copy(content string) error {
+	return clipboard.WriteAll(content)
+}
+
+func Write(path, content string) error {
+	return os.WriteFile(path, []byte(content), 0644)
+}