fixup nu neovim

home/private_dot_config/nvim/lua/plugins/language/nu.lua

@@ -1,18 +1,44 @@
-return require("util").if_exe("nu", {
-  {
-    "nvim-treesitter/nvim-treesitter",
+return {
+  -- https://github.com/nushell/tree-sitter-nu/blob/dc22e2577eb09d1d0de50802c59da2eca98a0e7b/installation/neovim.md
+  "nvim-treesitter/nvim-treesitter",
     config = function()
-      require("nvim-treesitter.configs").setup({
-        ensure_installed = { "nu" }, -- Ensure the "nu" parser is installed
-        highlight = {
-          enable = true, -- Enable syntax highlighting
-        },
-      })
+        require("nvim-treesitter.configs").setup {
+            ensure_installed = { "nu" }, -- Ensure the "nu" parser is installed
+            highlight = {
+                enable = true,            -- Enable syntax highlighting
+            },
+            -- OPTIONAL!! These enable ts-specific textobjects.
+            -- So you can hit `yaf` to copy the closest function,
+            -- `dif` to clear the content of the closest function,
+            -- or whatever keys you map to what query.
+            textobjects = {
+                select = {
+                    enable = true,
+                    keymaps = {
+                        -- You can use the capture groups defined in textobjects.scm
+                        -- For example:
+                        -- Nushell only
+                        ["aP"] = "@pipeline.outer",
+                        ["iP"] = "@pipeline.inner",
+
+                        -- supported in other languages as well
+                        ["af"] = "@function.outer",
+                        ["if"] = "@function.inner",
+                        ["al"] = "@loop.outer",
+                        ["il"] = "@loop.inner",
+                        ["aC"] = "@conditional.outer",
+                        ["iC"] = "@conditional.inner",
+                        ["iS"] = "@statement.inner",
+                        ["aS"] = "@statement.outer",
+                    }, -- keymaps
+                }, -- select
+            }, -- textobjects
+        }
     end,
     dependencies = {
-      -- Additional Nushell parser
-      { "nushell/tree-sitter-nu", build = ":TSUpdate nu" },
+        -- Install official queries and filetype detection
+        -- alternatively, see section "Install official queries only"
+        { "nushell/tree-sitter-nu" },
     },
     build = ":TSUpdate",
-  },
-})
+}