loadGist.ts

import fetch from "node-fetch";

interface GistJsonResponse {
  files: string[];
}

async function loadGist(id: string) {
  const url = `https://gist.github.com/${id}`;
  const jsonResponse = await fetch(`${url}.json`);
  const jsonData = await (jsonResponse.json() as Promise<GistJsonResponse>);

  const data = await Promise.all(
    jsonData.files.map((file) =>
      fetch(`${url}/raw/?file=${file}`).then((r) => r.text())
    )
  );

  return [data, jsonData];
}