Init Helix editor config

modules/environment/users/foo/home-depot/programs/default.nix

@@ -1,6 +1,7 @@
 # TODO: Split `./programs.nix` into files under `./programs` directory for program-specific configurations
 {pkgs, ...}: {
   imports = [
+    ./helix.nix
     ./nushell.nix
     ./xdg.nix
   ];

modules/environment/users/foo/home-depot/programs/helix.nix

@@ -0,0 +1,31 @@
+_: {
+  programs.helix = {
+    enable = true;
+
+    # Set `hx` command as the default editor using the `EDITOR` environment variable
+    defaultEditor = true;
+
+    settings = {
+      theme = "base16_transparent";
+
+      editor = {
+        line-number = "relative";
+        mouse = false;
+
+        cursor-shape = {
+          insert = "bar";
+          normal = "block";
+          select = "underline";
+        };
+
+        soft-wrap = {
+          enable = true;
+
+          wrap-at-text-width = true;
+        };
+
+        file-picker.hidden = false;
+      };
+    };
+  };
+}

modules/environment/users/foo/home-depot/programs/nushell.nix

@@ -18,9 +18,9 @@ _: {
         "cat" = "bat --style header --style snip --style changes --style header";
       };
 
-      environmentVariables = {
-        EDITOR = "hx";
-      };
+      # environmentVariables = {
+      #   EDITOR = "hx"; # NOTE: Not necessary as it is already set in `./helix.nix` file
+      # };
 
       extraEnv = ''
         # Disable Nushell welcome message
@@ -32,7 +32,7 @@ _: {
 
     starship = {
       enable = true;
-      # enableFishIntegration = false;
+
       enableNushellIntegration = true;
     };