Merge branch 'devel' into feature/id-for-hmtl-headers

cmd/backend/markdown.go

@@ -6,16 +6,35 @@ import (
 
 	"github.com/microcosm-cc/bluemonday"
 	"github.com/yuin/goldmark"
+	"github.com/yuin/goldmark/extension"
+	"github.com/yuin/goldmark/parser"
+	"github.com/yuin/goldmark/renderer/html"
 )
 
 func ConvertToHTML(md string) (string, error) {
 	var buf bytes.Buffer
 
-	if err := goldmark.Convert([]byte(md), &buf); err != nil {
+	// Goldmark-Instanz mit GFM und aktivierter Attribute-Unterstützung initialisieren.
+	gm := goldmark.New(
+		goldmark.WithExtensions(
+			extension.GFM,
+		),
+		goldmark.WithParserOptions(
+			parser.WithAttribute(),
+		),
+		goldmark.WithRendererOptions(
+			html.WithUnsafe(), // Falls du HTML-Inhalte erlauben möchtest
+		),
+	)
+
+	// Markdown in HTML konvertieren.
+	if err := gm.Convert([]byte(md), &buf); err != nil {
 		return "", fmt.Errorf("error converting markdown to html: %v", err)
 	}
 
+	// Bluemonday-Policy anpassen, sodass id-Attribute auf h1-h6 erlaubt sind.
 	p := bluemonday.UGCPolicy()
+	p.AllowAttrs("id").OnElements("h1", "h2", "h3", "h4", "h5", "h6")
 	html := p.Sanitize(buf.String())
 
 	return html, nil