feat: add nushell integration config

home-manager/stvnliu/shells/nushell/default.nix

@@ -0,0 +1,26 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}: let
+  cfg = config.myShells.nushell;
+in
+  with lib; {
+    options = {
+      myShells.nushell = {enable = mkEnableOption "Enables nushell config";};
+    };
+    config = mkIf cfg.enable {
+      programs = {
+        nushell = {
+          enable = true;
+          configFile.source = ./init/config.nu;
+          shellAliases = import ../aliases/default.nix {inherit pkgs;};
+        };
+        carapace = {
+          enable = true;
+          enableNushellIntegration = true;
+        };
+      };
+    };
+  }

home-manager/stvnliu/shells/nushell/init/config.nu

@@ -0,0 +1,15 @@
+$env.config = {
+  show_banner: false,
+  hooks: {
+      pre_prompt: [{ ||
+        if (which direnv | is-empty) {
+          return
+        }
+
+        direnv export json | from json | default {} | load-env
+        if 'ENV_CONVERSIONS' in $env and 'PATH' in $env.ENV_CONVERSIONS {
+          $env.PATH = do $env.ENV_CONVERSIONS.PATH.from_string $env.PATH
+        }
+      }]
+    }
+}