{ mkYarnModules, bergamot-elm }:

let
  # Generate a Nix expression from the yarn.lock file
  yarnModules = pkgs.mkYarnModules {
    src = ./.;
    packageJson = ./package.json;
    yarnLock = ./yarn.lock;
  };

in
pkgs.stdenv.mkDerivation {
  name = "web-files";

  # Use the generated yarnModules
  buildInputs = [ yarnModules bergamot-elm ];

  buildPhase = ''
  '';

  installPhase = ''
    mkdir -p $out $out/katex $out/katex-expression $out/bergamot
    cp ${yarnModules}/node_modules/katex/dist/katex.min.css $out/katex
    cp ${yarnModules}/node_modules/@navsnpm/katex-expression/dist/katex-expression/katex-expression.esm.js $out/katex-expression
    cp ${bergamot-elm}/Main.min.js $out/bergamot/bergamot.js
  '';
}