Function createFeed

scripts/createFeedS2.mjs:29–109

(library, type, title)

createFeed('s2', 'releases', 'React Spectrum Releases');

function createFeed(library, type, title) {
  let files = globSync(`packages/dev/s2-docs/pages/${library}/${type}/*.mdx`, {
    ignore: [`packages/dev/s2-docs/pages/${library}/${type}/index.mdx`]
  });
  let posts = [];

  for (let file of files) {
    let contents = fs.readFileSync(file, 'utf8');
    let tree = unified().use(remarkParse).use(remarkMdx).parse(contents);

    let exports = {};
    visit(tree, 'mdxjsEsm', node => {
      for (let stmt of node.data.estree.body) {
        if (stmt.type === 'ExportNamedDeclaration') {
          for (let decl of stmt.declaration.declarations) {
            if (decl.init.type === 'Literal') {
              exports[decl.id.name] = decl.init.value;
            }
          }
        }
      }
    });

    let title;
    visit(tree, 'heading', node => {
      if (node.depth === 1) {
        title = node.children[0].value;
      }
    });

    let summary = unified()
      .use(remarkParse)
      .use(remarkMdx)
      .use(remarkRehype)
      .use(rehypeStringify)
      .processSync({value: exports.description}).value;

    let entry = [
      {title},
      {
        link: [
          {
            _attr: {
              rel: 'alternate',
              type: 'text/html',
              href: `${getBaseUrl(library)}/${type}/${basename(file, '.mdx')}.html`
            }
          }
        ]
      },
      {id: basename(file, '.mdx')},
      {updated: new Date(exports.date).toISOString()},
      {published: new Date(exports.date).toISOString()},
      {summary: [{_attr: {type: 'text/html'}}, summary]}
    ];

    if (exports.author) {
      entry.push({