Add ActivePath as NavItems

i18n.go

@@ -1,5 +1,7 @@
 package ersteller_lib
 
+import "strings"
+
 type Language string
 
 const (
@@ -81,3 +83,12 @@ func NewActivePath(path string, langMap map[Language]string) ActivePath {
 		Path:     path,
 	}
 }
+
+func (a ActivePath) GetPath(language Language) string {
+	return "/" + string(language) + a.Path
+}
+
+func (a ActivePath) IsActive(c HtmxContext) bool {
+	pathWithLang := a.GetPath(c.GetLanguage())
+	return strings.HasPrefix(c.GetPath(), pathWithLang)
+}