Function addMarkdownPathToErrorStack

tools/doc/deprecationCodes.mjs:15–23

(error, node)

  `DEP${codeAsNumber.toString().padStart(4, '0')}`;

const addMarkdownPathToErrorStack = (error, node) => {
  const { line, column } = node.position.start;
  const [header, ...lines] = error.stack.split('\n');
  error.stack =
          header +
          `\n    at <anonymous> (${source}:${line}:${column})\n` +
          lines.join('\n');
  return error;
};

const testHeading = (headingNode, expectedDeprecationCode) => {
  try {