Render a Markdown document in raw mode

type Github = {

  token: string;

};

/**

 * Render a Markdown document in raw mode

 * You must send Markdown as plain text (using a `Content-Type` header of `text/plain` or `text/x-markdown`) to this endpoint, rather than using JSON format. In raw mode, [GitHub Flavored Markdown](https://github.github.com/gfm/) is not supported and Markdown will be rendered in plain format like a README.md file. Markdown content must be 400 KB or less.

 */

export async function main(auth: Github) {

  const url = new URL(`https://api.github.com/markdown/raw`);

  const response = await fetch(url, {

    method: "POST",

    headers: {

      Authorization: "Bearer " + auth.token,

    },

    body: undefined,

  });

  if (!response.ok) {

    const text = await response.text();

    throw new Error(`${response.status} ${text}`);

  }

  return await response.text();

}