Свойство outerHtml

String? outerHtml

переопределение

Реализация

String? get outerHtml {
  final container = new DivElement();
  final SvgElement cloned = this.clone(true) as SvgElement;
  container.children.add(cloned);
  return container.innerHtml;
}

© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-svg/SvgElement/outerHtml.html