nixpkgs/neovim: add luadev configuration

.config/nixpkgs/neovim/flake.nix

@@ -28,6 +28,7 @@
     {
       packages.x86_64-linux.neovim = (withPkgs "x86_64-linux").callPackage ./neovim.nix {};
       packages.x86_64-linux.neovim-with-playground = (withPkgs "x86_64-linux").callPackage ./neovim.nix { withPlayground = true; };
+      packages.x86_64-linux.neovim-with-luadev = (withPkgs "x86_64-linux").callPackage ./neovim.nix { withLuadev = true; };
       packages.x86_64-linux.default = self.packages.x86_64-linux.neovim;
     };
 }

.config/nixpkgs/neovim/luadev.lua

@@ -0,0 +1,11 @@
+vim.keymap.set('n', '<Leader>r', '<Plug>(Luadev-Run)', opts)
+vim.keymap.set('v', '<Leader>r', '<Plug>(Luadev-Run)', opts)
+
+vim.defer_fn(function()
+  -- set buffer to lua
+  vim.bo.filetype = 'lua'
+  vim.fn.append(0, '-- <Leader>r to run a block of code')
+  vim.fn.append(1, 'print("hello")')
+  -- open output console
+  vim.cmd('Luadev')
+end, 100)

.config/nixpkgs/neovim/neovim.nix

@@ -9,6 +9,7 @@
 , vimPlugins
 , fetchFromGitHub
 , withPlayground ? false
+, withLuadev ? false
 }:
 let
   buildNeovimPlugin = attrs: stdenv.mkDerivation ({
@@ -58,9 +59,13 @@ let
         tree-sitter-query
       ]));
     in
-    [ nvim-treesitter ] ++ nvim-treesitter.dependencies ++ lib.optionals withPlayground [
+    [ nvim-treesitter ] ++ nvim-treesitter.dependencies
+    ++ (lib.optionals withPlayground [
       vimPlugins.playground
-    ];
+    ])
+    ++ (lib.optionals withLuadev [
+      vimPlugins.nvim-luadev
+    ]);
 
   pinnedPlugins = import ./plugins {
     inherit buildNeovimPlugin fetchFromGitHub;
@@ -93,6 +98,8 @@ stdenv.mkDerivation {
     source ${./theme.lua}
   '' + lib.optionalString withPlayground ''
     source ${./playground.lua}
+  '' + lib.optionalString withLuadev ''
+    source ${./luadev.lua}
   '';
 
   passAsFile = [ "initVim" ];