fix node 20+ not found in copilot when in directory setting older node version

flake.nix

@@ -225,6 +225,7 @@
                 }
                 ({
                   storePath = "${./.}";
+                  nodejs_20_path = "${pkgs.nodejs_23}";
                   # This will look at all inputs and grab any prefixed with `nvim_plugin-`
                   pluginPaths =
                     builtins.foldl' (dirs: name: { "${name}" = inputs.${name}.outPath; } // dirs) nixPkgsPlugins
@@ -273,7 +274,7 @@
             # ocamlPackages.ocaml-lsp # ocaml
             # Other
             typescript
-            nodejs_20
+            nodejs_23
             clang
             # zig
             (pkgs.rust-bin.stable.latest.default.override {

lua/plugins/cmp_autocompletion.lua

@@ -22,7 +22,9 @@ return {
 			"zbirenbaum/copilot.lua",
 			cmd = "Copilot",
 			event = "InsertEnter",
-			opts = {},
+			opts = {
+				copilot_node_command = NIX.nodejs_20_path and (NIX.nodejs_20_path .. "/bin/node") or "node",
+			},
 			main = "copilot",
 		},
 		{ "zbirenbaum/copilot-cmp", opts = {}, main = "copilot_cmp" },