refactor

internal/formatter/formatter.go

@@ -0,0 +1,21 @@
+package formatter
+
+import (
+	"fmt"
+	"path/filepath"
+	"strings"
+
+	"sub-cli/internal/format/lrc"
+)
+
+// Format formats a subtitle file to ensure consistent formatting
+func Format(filePath string) error {
+	ext := strings.TrimPrefix(filepath.Ext(filePath), ".")
+	
+	switch ext {
+	case "lrc":
+		return lrc.Format(filePath)
+	default:
+		return fmt.Errorf("unsupported format for formatting: %s", ext)
+	}
+}