staging again

home-manager/modules/emulators.nix

@@ -7,7 +7,7 @@
     rpcs3
     ryujinx
     mupen64plus
-    dolphin-emulator
+    dolphin-emu
     retroarch
     mednafen
     joycond

hosts/local-packages.nix

@@ -7,9 +7,11 @@
 in {
   imports = [
     ../modules/python.nix
+    ../modules/npm.nix
   ];
 
   python.enable = true;
+  npm.enable = true;
 
   environment.systemPackages = with pkgs; [
     brave # TODO: make a module to save browser stuff

modules/npm.nix

@@ -0,0 +1,38 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  npmConf = pkgs.writeText "npmrc" ''
+    prefix=${config.environment.variables.NPM_CONFIG_PREFIX}
+    cache=$HOME/.npm
+    init-module=$HOME/.npm-init.js
+    node-linker=hoisted
+  '';
+in {
+  options.npm = {
+    enable = lib.mkEnableOption "System NPM Environment";
+  };
+  config = lib.mkIf config.npm.enable {
+    environment.systemPackages = with pkgs; [
+      nodejs
+      nodePackages.npm
+    ];
+    environment.variables = {
+      NPM_CONFIG_PREFIX = "$HOME/.npm-global";
+      PATH = ["$HOME/.npm-global/bin"];
+      NPM_CONFIG_USERCONFIG = "${npmConf}";
+    };
+    system.userActivationScripts.setupNpm = ''
+      mkdir -p $HOME/.npm-global/bin
+      mkdir -p $HOME/.npm
+      if [ ! -f "$HOME/.npmrc" ]; then
+        cp ${npmConf} $HOME/.npmrc
+      fi
+      if [ -d "$HOME/.npm-global" ]; then
+        chmod -R +rw $HOME/.npm-global
+      fi
+    '';
+  };
+}