Function describeDomFromNode

packages/core/src/hydration/error_handling.ts:375–391

* Builds the string containing the DOM present around a given RNode for a * readable error message * * @param node the RNode * @returns string

(node: RNode)

 * @returns string
 */
function describeDomFromNode(node: RNode): string {
  const spacer = '  ';
  let content = '';
  const currentNode = node as HTMLElement;
  if (currentNode.previousSibling) {
    content += spacer + '…\n';
    content += spacer + describeRNode(currentNode.previousSibling) + '\n';
  }
  content += spacer + describeRNode(currentNode) + `  ${AT_THIS_LOCATION}\n`;
  if (node.nextSibling) {
    content += spacer + '…\n';
  }
  if (node.parentNode) {
    content = describeRNode(currentNode.parentNode as Node, '\n' + content);
  }
  return content;
}

/**
 * Shortens the description of a given RNode by its type for readability