Function resolveElement

packages/core/src/sanitization/sanitization.ts:288–312

(tagName: string)

}

function resolveElement(tagName: string): [namespace: string | null | undefined, tagName: string] {
  tagName = tagName.toLowerCase();
  const splitResult = splitNsName(tagName, false);
  if (splitResult[0]) {
    return splitResult;
  }

  const index = getSelectedIndex();
  const tNode = index === -1 ? null : getSelectedTNode();
  let namespace = tNode?.namespace;

  if (tagName === TNodeName.DynamicHost && tNode?.type === TNodeType.Element) {
    const element = getNativeByTNode(tNode, getLView()) as RElement;
    if (element.tagName) {
      tagName = element.tagName.toLowerCase();
    }

    if (namespace == null) {
      const namespaceURI = (element as RElement & {namespaceURI?: string | null}).namespaceURI;
      namespace = namespaceURI && NAMESPACE_URIS[namespaceURI];
    }
  }

  return [namespace, tagName];
}

/**
 * Set of attributes that are sensitive and should be sanitized.