flake.nix

{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    git-hooks = {
      url = "github:cachix/git-hooks.nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { self, nixpkgs, flake-utils, git-hooks }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs { inherit system; };

        pre-commit-check = git-hooks.lib.${system}.run {
          src = ./.;
          hooks = {
            nixpkgs-fmt.enable = true;
            editorconfig-checker.enable = true;
            markdownlint.enable = true;
            reuse = {
              enable = true;
              name = "SPDX License Check";
              entry = "${pkgs.reuse}/bin/reuse lint";
              pass_filenames = false;
            };

            # EOL Newline, tailing whitespace will be handled via eslint
            eslint = {
              enable = true;
              name = "eslint";
              entry = "pnpm exec eslint .";
              files = "\\.[jt]sx?$";
              types = [ "file" ];
            };

          };
        };
      in
      {
        checks = { inherit pre-commit-check; };

        devShells.default = pkgs.mkShell {
          inherit (pre-commit-check) shellHook;

          packages = with pkgs; [
            pnpm_9
            typescript
            nodejs_24
            nodePackages.eslint
            reuse
            markdownlint-cli
            nixpkgs-fmt
            pre-commit
          ];

          buildInputs = pre-commit-check.enabledPackages;
        };
      });
}