plugins/syntax: config ts grammar file types via override

default.nix

@@ -3,6 +3,7 @@
 , enableTabby ? false
 , viAlias ? false
 , vimAlias ? false
+, grammarFileTypes ? [ "nix" ]
 , theme ? { }
 , wrapNeovim
 , neovim-unwrapped
@@ -22,7 +23,7 @@ let
   plugins = callPlugins [
     ./plugins/config
     (import ./plugins/syntax {
-      inherit tree-sitter;
+      inherit tree-sitter grammarFileTypes;
     })
     ./plugins/git
     ./plugins/explorer

flake.nix

@@ -205,6 +205,7 @@
             (neovim.override {
               enableDevIcons = true;
               enableTabby = true;
+              grammarFileTypes = [ "nix" "lua" ];
             })
             pkgs.stylua # lua formatter
           ];

plugins/syntax/default.nix

@@ -1,22 +1,11 @@
-{ tree-sitter, ... }:
+{ tree-sitter, grammarFileTypes, ... }:
 
 { nvim-treesitter, ... }:
 
 
 let
   treesitterGrammars = tree-sitter.withPlugins
-    (grammars: with grammars; [
-      tree-sitter-nix
-      tree-sitter-lua
-      tree-sitter-ledger
-      tree-sitter-yaml
-      tree-sitter-json
-      tree-sitter-typescript
-      tree-sitter-javascript
-      tree-sitter-rust
-      tree-sitter-haskell
-      tree-sitter-bash
-    ]);
+    (grammars: map (ft: grammars."tree-sitter-${ft}") grammarFileTypes);
 
   nvim-treesitter-with-grammars = nvim-treesitter.overrideAttrs (oldAttrs: {
     postPatch = ''