GitHub Flavoured Markdown Parsing in Deno

parse_markdown.ts

import { unified } from "https://esm.sh/[email protected]";
import remarkParse from "https://esm.sh/[email protected]";
import remarkFrontmatter from "https://esm.sh/[email protected]";
import remarkGfm from "https://esm.sh/[email protected]";
import remarkRehype from "https://esm.sh/[email protected]";
import rehypeStringify from "https://esm.sh/[email protected]";
import rehypeSlug from "https://esm.sh/[email protected]";
import rehypeAutolinkHeadings from "https://esm.sh/[email protected]";
import remarkGemoji from "https://esm.sh/[email protected]";
import rehypeStarryNight from "https://esm.sh/@microflash/[email protected]";

export async function parseMarkdown(content: string) {
  const file = await unified()
    .use(remarkParse)
    .use(remarkFrontmatter)
    .use(remarkGemoji)
    .use(remarkGfm)
    .use(remarkRehype, {
      allowDangerousHtml: true,
    })
    .use(rehypeSlug)
    .use(rehypeAutolinkHeadings, {
      properties: { ariaHidden: true, tabIndex: -1, class: "anchor" },
      content: {
        type: "element",
        tagName: "span",
        properties: { class: ["octicon", "octicon-link"] },
        children: [],
      },
    })
    .use(rehypeStarryNight)
    /// @ts-ignore rehype-stringify types are wrong
    .use(rehypeStringify, { allowDangerousHtml: true })
    .process(content);

  return file.toString("utf8");
}