Function renderMarkdownToHtml

app/utils/markdown.js:87–113

({
  pkg,
  markdown,
  disableTitleParser,
})

// Render markdown for the given package context.
const renderMarkdownToHtml = async function({
  pkg,
  markdown,
  disableTitleParser,
}) {
  // Parse title
  if (!disableTitleParser) {
    markdown = parseTitle({ pkg, markdown });
  }
  // Parse emoji
  const replacer = (match) => emoji.emojify(match);
  markdown = markdown.replace(/(:.*:)/g, replacer);
  // Render markdown
  const linkBaseUrl = urljoin(pkg.repoUrl, "blob/" + pkg.readmeBranch);
  const linkBaseRelativeUrl = urljoin(pkg.repoUrl, "blob/" + pkg.readmeBase);
  const imageBaseUrl = urljoin(pkg.repoUrl, "raw/" + pkg.readmeBranch);
  const imageBaseRelativeUrl = urljoin(pkg.repoUrl, "raw/" + pkg.readmeBase);
  const renderer = markedRenderer({
    linkBaseUrl,
    linkBaseRelativeUrl,
    imageBaseUrl,
    imageBaseRelativeUrl,
  });
  const html = marked.parse(markdown, { renderer });
  // post-processing
  return postProcessHtml(html, { imageBaseRelativeUrl });
};

// Parse markdown to add title line.
const parseTitle = function({ pkg, markdown }) {