Setup for using npm packages locally + via server.ts

Deno.serve((req: Request) => {
  let pathname = new URL(req.url).pathname;

  // fonts endpoint
  if (pathname.startsWith("/fonts")) {
    return fonts_endpoint(req, pathname);
  }

  // Canonicalize path
  if (pathname === "/" || pathname === "") {
    pathname = "/index.html";
  }
  const filepath = "." + pathname;
  console.log(filepath);

  const isReadableFile = existsSync(filepath, {
    isReadable: true,
    isFile: true,
  });

  if (isReadableFile) {
    return serveFile(req, filepath);
  }

  // Otherwise the requested resource is not available
  return new Response("404: Not Found", {
    status: 404,
  });
});