with (import (fetchTarball https://github.com/nixos/nixpkgs/archive/nixpkgs-unstable.tar.gz) {});
let
  google-font-downloader = writeShellScriptBin "google-font-downloader" ''
    echo "Attempting to fetch $1"
    ${nodejs}/bin/npx google-font-downloader -- $1
    rm ./_includes/styles/typography.css
    echo "/* To regenerate this file, run $ google-font-downloader '$1' */" >> ./_includes/styles/typography.css 
    echo "" >> ./_includes/styles/typography.css 
    cat ./google-fonts-*.css >> ./_includes/styles/typography.css
    rm ./google-fonts-*.css
  '';
in
mkShell {
  buildInputs = [
    deno
    google-font-downloader
  ];

  shellHook = ''
    deno run -A https://deno.land/x/lume@v1.12.0/install.ts
  '';
}