flake.nix

@@ -11,30 +11,36 @@
     extra-substituters = "https://devenv.cachix.org";
   };
 
-  outputs = {
+  outputs =
+    {
       self,
       nixpkgs,
       devenv,
       systems,
       ...
-  } @ inputs: let
+    }@inputs:
+    let
       forEachSystem = nixpkgs.lib.genAttrs (import systems);
-  in {
+    in
+    {
       packages = forEachSystem (system: {
         devenv-up = self.devShells.${system}.default.config.procfileScript;
         devenv-test = self.devShells.${system}.default.config.test;
       });
 
       devShells = forEachSystem (
-      system: let
+        system:
+        let
           pkgs = nixpkgs.legacyPackages.${system};
-      in {
+        in
+        {
           default = devenv.lib.mkShell {
             inherit inputs pkgs;
             modules = [
               {
                 # https://devenv.sh/reference/options/
                 languages.go.enable = true;
+                languages.javascript.enable = true;
               }
             ];
           };