onSetAttributesAsText method

Implementation

void onSetAttributesAsText(int? id, Map<String, dynamic> params) {
  if (DebugFlags.enableDevToolsLogs) {
    devToolsLogger.finer('[DevTools] DOM.setAttributesAsText nodeId=${params['nodeId']}');
  }
  int? nodeId = params['nodeId'];
  String? text = params['text'];
  String? name = params['name'];
  final ctx = dbgContext;
  if (nodeId == null || ctx == null) {
    sendToFrontend(id, null);
    return;
  }
  final targetId = ctx.getTargetIdByNodeId(nodeId);
  Node? node;
  if (targetId != null) {
    node = ctx.getBindingObject(Pointer.fromAddress(targetId)) as Node?;
  }
  if (node is Element && text != null) {
    final el = node as Element;
    if (name != null && name.isNotEmpty) {
      // Update single attribute case
      if (text.isEmpty) {
        el.removeAttribute(name);
      } else {
        el.setAttribute(name, text);
      }
    } else {
      // Replace attributes from text string
      el.attributes.clear();
      // Match name="value" or name='value', allow hyphens/colons in attribute name
      final pair = RegExp(r"""([^\s=]+)\s*=\s*("([^"]*)"|'([^']*)')""");
      for (final m in pair.allMatches(text)) {
        final attrName = m.group(1);
        final dv = m.group(3); // double-quoted value
        final sv = m.group(4); // single-quoted value
        final attrValue = dv ?? sv ?? '';
        if (attrName != null) {
          el.setAttribute(attrName, attrValue);
        }
      }
      // Also handle boolean attributes present without =value
      // by scanning leftover tokens that look like names
      final consumed = pair.allMatches(text).map((m) => m.group(0)!).join(' ');
      final remainder = text.replaceAll(consumed, ' ').trim();
      if (remainder.isNotEmpty) {
        // Split by whitespace and set empty string for each token not containing '='
        for (final token in remainder.split(RegExp(r'\s+'))) {
          if (token.isEmpty) continue;
          if (!token.contains('=')) {
            el.setAttribute(token, '');
          }
        }
      }
    }
  }
  sendToFrontend(id, null);
}