Move to flakes

default.nix

@@ -0,0 +1,26 @@
+{
+  buildFHSUserEnv,
+  nodejs_18,
+  writers,
+}: let
+  nodejs = nodejs_18;
+in
+  buildFHSUserEnv {
+    name = "ozma";
+    targetPkgs = pkgs:
+      with pkgs;
+      with nodejs.pkgs; [
+        alejandra
+        nodejs
+        tern
+        yarn-berry
+        # vue-language-server
+      ];
+    runScript = writers.writeBash "run-script" ''
+      if [ "$#" = 0 ]; then
+        exec "''${SHELL:-bash}"
+      else
+        exec "$@"
+      fi
+    '';
+  }

flake.nix

@@ -0,0 +1,22 @@
+{
+  inputs = {
+    flake-parts.url = "github:hercules-ci/flake-parts";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs = inputs @ {flake-parts, ...}:
+    flake-parts.lib.mkFlake {inherit inputs;} {
+      systems = ["x86_64-linux"];
+      perSystem = {
+        config,
+        self',
+        inputs',
+        pkgs,
+        system,
+        ...
+      }: {
+        apps.default.program = "${pkgs.callPackage ./. {}}/bin/ozma";
+        formatter = pkgs.alejandra;
+      };
+    };
+}