Migrate to npmlock2nix

flake.nix

@@ -3,70 +3,65 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-22.05";
-    flake-utils.url = "github:numtide/flake-utils";
+    npmlock2nix = {
+      url = "github:nix-community/npmlock2nix";
+      flake = false;
+    };
   };
 
-  outputs = { self, nixpkgs, flake-utils }@inputs:
-    flake-utils.lib.simpleFlake {
-      inherit self nixpkgs;
-      name = "tlaternet-templates";
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    npmlock2nix,
+  }: let
+    # At the moment, we only deploy to x86_64-linux. Update when we
+    # care about another platform.
+    system = "x86_64-linux";
+    overlays = [
+      (final: prev: {
+        npmlock2nix = import npmlock2nix {pkgs = prev;};
+      })
+    ];
+    pkgs = import nixpkgs {inherit system overlays;};
+  in {
+    packages.${system} = rec {
+      tlaternet-templates = pkgs.npmlock2nix.build {
+        src = self;
 
-      overlay = final: prev: {
-        tlaternet-templates = rec {
-          packages = rec {
-            nodeEnv = prev.callPackage ./nix/override.nix { pkgs = prev; };
-            templates = prev.callPackage ({ stdenv, nodejs, rename, ... }:
-              let nodeDeps = nodeEnv.shell.nodeDependencies;
-              in stdenv.mkDerivation {
-                name = "tlaternet-templates";
-                src = ./.;
+        installPhase = ''
+          cp -r dist $out/
+        '';
 
-                buildInputs = [ nodejs rename ];
-                buildPhase = ''
-                  ln -s ${nodeDeps}/lib/node_modules ./node_modules
-                  export PATH="${nodeDeps}/bin:$PATH"
+        postFixup = ''
+          ${pkgs.rename}/bin/rename 's/.html$/.html.hbs/' $out/browser/*.html
+        '';
 
-                  npm run build
-                '';
+        node_modules_attrs = {
+          buildInputs = with pkgs; [
+            pkg-config
+            python3
+            vips
+            glib
+          ];
+        };
+      };
 
-                installPhase = ''
-                  cp -r dist $out/
-                '';
+      default = tlaternet-templates;
+    };
 
-                postFixup = ''
-                  rename 's/.html$/.html.hbs/' $out/browser/*.html
-                '';
-              }) { };
-          };
-          defaultPackage = packages.templates;
-
-          devShell = prev.mkShell {
-            buildInputs = with prev;
-              with nodePackages;
-              [
-                nodejs
-                node2nix
-
-                # Handy dev tools
-                prettier
-                typescript
-                typescript-language-server
-              ] ++ packages.nodeEnv.shell.buildInputs;
-          };
-
-          # TODO: This would be the ideal. Sadly, parcel isn't smart
-          # enough to pull its plugins from $NODE_PATH.
-          #
-          #
-          # devShell = packages.nodeEnv.shell.override {
-          #   buildInputs = with prev; with nodePackages; [
-          #     node2nix
-
-          #     prettier
-          #     typescript-language-server
-          #   ];
-          # };
+    devShells.${system} = {
+      default = pkgs.npmlock2nix.shell {
+        src = self;
+        node_modules_attrs = {
+          buildInputs = with pkgs; [
+            pkg-config
+            python3
+            vips
+            glib
+          ];
         };
       };
     };
+  };
 }