feat: use node2nix and some hand-crafted nix files to build the template with nix

Author: johnrichardrinehart

default.nix

@@ -0,0 +1,17 @@
+# This file has been generated by node2nix 1.9.0. Do not edit!
+
+{pkgs ? import <nixpkgs> {
+    inherit system;
+  }, system ? builtins.currentSystem, nodejs ? pkgs."nodejs-12_x"}:
+
+let
+  nodeEnv = import ./node-env.nix {
+    inherit (pkgs) stdenv lib python2 runCommand writeTextFile;
+    inherit pkgs nodejs;
+    libtool = if pkgs.stdenv.isDarwin then pkgs.darwin.cctools else null;
+  };
+in
+import ./node-packages.nix {
+  inherit (pkgs) fetchurl nix-gitignore stdenv lib fetchgit;
+  inherit nodeEnv;
+}

flake.nix

@@ -10,12 +10,36 @@
   flake-utils.lib.eachDefaultSystem (system:
   let
     pkgs = nixpkgs.legacyPackages.${system};
+    nodeDependencies = (import ./overrides.nix { inherit pkgs; }).shell.nodeDependencies;
   in
   rec {
     packages = flake-utils.lib.flattenTree {
-      hello = pkgs.hello;
+      svelte-template = pkgs.stdenv.mkDerivation {
+        name = "svelte-template";
+        src = ./.;
+
+        buildInputs = let
+          p = pkgs;
+        in
+        [
+          p.nodePackages.npm
+        ];
+
+        configurePhase = ''
+          ln -s ${nodeDependencies}/lib/node_modules ./node_modules;
+          export PATH="${nodeDependencies}/.bin:$PATH";
+        '';
+
+        buildPhase = ''
+          npm run build;
+        '';
+
+        installPhase = ''
+          cp -r public $out/
+        '';
+      };
     };
 
-    defaultPackage = packages.hello;
+    defaultPackage = packages.svelte-template;
   });
 }