key property

String get key

Stable key used to update or replace matching head elements.

Implementation

String get key {
  final id = props['id'];
  if (id != null) return '$tag:id:$id';

  final property = props['property'];
  if (property != null) return '$tag:property:$property';

  final name = props['name'];
  if (name != null) return '$tag:name:$name';

  final rel = props['rel'];
  final href = props['href'];
  if (rel != null && href != null) return '$tag:rel:$rel:href:$href';

  final src = props['src'];
  if (src != null) return '$tag:src:$src';

  return '$tag:${props.entries.map((entry) => '${entry.key}=${entry.value}').join(';')}:$content';
}