{
  perSystem = {pkgs, ...}: let
    utils = import ./utils.nix;
    rust-toolchain = utils.rust-toolchain pkgs;
    toolchain-crosspkgs = utils.toolchain-crosspkgs pkgs;
    drv = {
      rustPlatform,
      buildPackages,
      lld,
      name ? "wordle-solver",
      removeReferencesTo,
      ...
    }:
      rustPlatform.buildRustPackage {
        inherit name;

        src = ../.; # Or your source location
        cargoLock.lockFile = ../Cargo.lock;

        # Disable tests since they can't run on WASM
        doCheck = false;

        # Required dependencies for WASM builds
        depsBuildBuild = [
          buildPackages.stdenv.cc
          lld # Needed for wasm-ld
        ];
        nativeBuildInputs = [removeReferencesTo];

        cargoBuildFlags = [
          "--lib"
          "--features"
          "wasm-bindgen"
        ];

        # Configure rustc for WASM
        RUSTFLAGS = ''--cfg=web_sys_unstable_apis -C linker=wasm-ld -C strip=debuginfo -C debuginfo=0'';

        # Copy the WASM file to the output
        installPhase = ''
          mkdir -p $out/lib
          cp target/wasm32-unknown-unknown/release/*.wasm $out/lib/

          runHook postInstall
        '';

        # Remove toolchain from closure (store paths are debug artifacts)
        postInstall = ''
          remove-references-to -t ${rust-toolchain} $out/lib/*.wasm
        '';
      };
  in {
    packages.toolchain = rust-toolchain;
    packages.wordle-solver-wasm = toolchain-crosspkgs.callPackage drv {};
  };
}