{ pkgs, ... }:
src:
let
  inherit (pkgs) lib;
in
lib.cleanSourceWith {
  src = lib.cleanSource src;
  filter =
    path: type:
    let
      isTypstSource = lib.hasSuffix ".typ" path || lib.hasSuffix ".bib" path;
      isImage = lib.hasSuffix ".png" path || lib.hasSuffix ".jpeg" path || lib.hasSuffix ".jpg" path;
      isSpecialFile = builtins.elem (builtins.baseNameOf path) [
        "typst.toml"
      ];
    in
    type == "directory" || isTypstSource || isSpecialFile || isImage;
}