setAttribute method

@override void setAttribute(Node element, String attrName, String? attrVal)

Implementation

@override
void setAttribute(Node element, String attrName, String? attrVal) {
  if (element is! Element) return;

  switch (attrName) {
    case 'selected':
      {
        if (element is OptionElement) {
          element.selected = _parseAttributeBoolValue(attrVal);
        } else {
          element.setAttribute(attrName, attrVal!);
        }
        break;
      }
    case 'multiple':
      {
        if (element is SelectElement) {
          element.multiple = _parseAttributeBoolValue(attrVal);
        } else if (element is InputElement) {
          element.multiple = _parseAttributeBoolValue(attrVal);
        } else {
          element.setAttribute(attrName, attrVal!);
        }
        break;
      }
    case 'hidden':
      {
        element.hidden = _parseAttributeBoolValue(attrVal);
        break;
      }
    case 'inert':
      {
        element.inert = _parseAttributeBoolValue(attrVal);
        break;
      }
    default:
      {
        if (attrVal == null) {
          element.removeAttribute(attrName);
        } else {
          switch (attrName) {
            case 'id':
              {
                element.id = attrVal;
                break;
              }
            case 'class':
              {
                element.className = attrVal;
                break;
              }
            case 'title':
              {
                element.title = attrVal;
                break;
              }
            case 'style':
              {
                element.style.cssText = attrVal;
                break;
              }
            default:
              {
                element.setAttribute(attrName, attrVal);
                break;
              }
          }
        }
        break;
      }
  }
}