feat: init

templates/haskell/parts/default.nix

@@ -0,0 +1,15 @@
+{
+  perSystem = {
+    pkgs,
+    lib,
+    config,
+    self',
+    ...
+  }: {
+    imports = [
+      ./devshells.nix
+      ./packages.nix
+      ./pre-commit.nix
+    ];
+  };
+}

templates/haskell/parts/devshells.nix

@@ -0,0 +1,58 @@
+{
+  pkgs,
+  config,
+  ...
+}: {
+  haskellProjects.default = {
+    devShell = {
+      enable = true;
+
+      tools = hp: {
+        inherit
+          (hp)
+          cabal-fmt
+          haskell-language-server
+          ;
+
+        inherit
+          (pkgs)
+          alejandra
+          dhall
+          dhall-json
+          dhall-lsp-server
+          helix-gpt
+          just
+          libz
+          ngrep
+          nil
+          nodejs_22
+          sops
+          ssh-to-age
+          stripe-cli
+          vscode-langservers-extracted
+          zlib
+          ;
+
+        inherit
+          (pkgs.elmPackages)
+          elm
+          elm-format
+          elm-land
+          elm-language-server
+          elm-review
+          elm-test
+          ;
+
+        inherit
+          (pkgs.nodePackages)
+          "@commitlint/config-conventional"
+          npm
+          typescript-language-server
+          ;
+      };
+
+      hlsCheck.enable = true;
+      mkShellArgs.shellHook = "${config.pre-commit.installationScript}";
+    };
+  };
+}

templates/haskell/parts/packages.nix

@@ -0,0 +1 @@
+{self, ...}: {packages.default = self.packages.example;}

templates/haskell/parts/pre-commit.nix

@@ -0,0 +1,7 @@
+{
+  pre-commit.settings.hooks = {
+    alejandra.enable = true;
+    commitizen.enable = true;
+    statix.enable = true;
+  };
+}