neoformat -> null-ls

lua/plugins/barbar.lua

@@ -1,15 +0,0 @@
-return {
-  "romgrk/barbar.nvim",
-  dependencies = {
-    "lewis6991/gitsigns.nvim", -- OPTIONAL: for git status
-    "nvim-tree/nvim-web-devicons", -- OPTIONAL: for file icons
-  },
-  init = function()
-    vim.g.barbar_auto_setup = false
-  end,
-  opts = {
-    auto_hide = 1,
-  },
-
-  enabled = false,
-}

lua/plugins/neoformat.lua

@@ -1,14 +0,0 @@
-return {
-  "sbdchd/neoformat",
-  init = function()
-    -- Basic formatting
-    vim.g.neoformat_basic_format_retab = 1
-    vim.g.neoformat_basic_format_trim = 1
-
-    -- Prefer Alejandra for Nix files
-    vim.g.neoformat_enabled_nix = { "alejandra" }
-  end,
-  keys = {
-    { "<leader>lf", "<cmd>Neoformat<CR>", desc = "Format file" },
-  },
-}

lua/plugins/null-ls.lua

@@ -0,0 +1,31 @@
+return {
+  "nvimtools/none-ls.nvim",
+  dependencies = { "nvim-lua/plenary.nvim" },
+  opts = function()
+    local null_ls = require("null-ls")
+
+    null_ls.setup({
+      sources = {
+        null_ls.builtins.formatting.alejandra,
+        null_ls.builtins.formatting.stylua,
+        null_ls.builtins.formatting.black,
+      },
+    })
+  end,
+  keys = {
+    {
+      "<leader>lf",
+      function()
+        vim.lsp.buf.format()
+      end,
+      desc = "Format file",
+    },
+    {
+      "<leader>a",
+      function()
+        vim.lsp.buf.code_action()
+      end,
+      desc = "Code action",
+    },
+  },
+}