mdrender/.npm-scripts/decorators/articleDecorator.js

module.exports = function articleDecorator(config, item, meta) {
  let blurb = "No description.";
  const introMatches = item.content.match(
    new RegExp("<p>(?<introText>[a-zA-Z0-9 :,.-]+)</p>", "m")
  );

  if (introMatches) {
    blurb = introMatches.groups.introText.trim();
  }
  const titleStart = item.content.indexOf(">", item.content.indexOf("<h1")) + 1;
  const titleEnd = item.content.indexOf("</h1>");
  const title =
    titleEnd > -1
      ? item.content.substring(titleStart, titleEnd).trim()
      : meta.name;
  return {
    ...item,
    niceName: title,
    blurb: blurb,
    tags: [].concat(item.tags, ["article"])
  };
};