20251209

archive/bbs-go/server/internal/pkg/markdown/utils.go

@@ -0,0 +1,37 @@
+package markdown
+
+import (
+	"bbs-go/internal/pkg/html"
+	"sync"
+
+	"github.com/88250/lute"
+	"github.com/mlogclub/simple/common/strs"
+)
+
+var (
+	engine *lute.Lute
+	once   sync.Once
+)
+
+func getEngine() *lute.Lute {
+	once.Do(func() {
+		engine = lute.New(func(lute *lute.Lute) {
+			// lute.SetToC(true)
+			lute.SetSanitize(true)
+			lute.SetGFMTaskListItem(true)
+		})
+	})
+	return engine
+}
+
+func ToHTML(markdownStr string) string {
+	if strs.IsBlank(markdownStr) {
+		return ""
+	}
+	return getEngine().MarkdownStr("", markdownStr)
+}
+
+func GetSummary(markdownStr string, summaryLen int) string {
+	htmlStr := ToHTML(markdownStr)
+	return html.GetSummary(htmlStr, summaryLen)
+}