Use conform.nvim for fold-preserving formatting

after/ftplugin/scala.vim

@@ -3,3 +3,7 @@ map <silent> <buffer> <leader>cl :call jobstart(['codelines', '.'])<cr>
 
 set tw=120
 set foldlevel=99
+
+set foldmethod=indent
+"set foldmethod=expr
+"set foldexpr=nvim_treesitter#foldexpr()

lazy-lock.json

@@ -7,11 +7,11 @@
   "cmp-nvim-lsp": { "branch": "main", "commit": "5af77f54de1b16c34b23cba810150689a3a90312" },
   "cmp-path": { "branch": "main", "commit": "91ff86cd9c29299a64f968ebb45846c485725f23" },
   "cmp_luasnip": { "branch": "master", "commit": "05a9ab28b53f71d1aece421ef32fee2cb857a843" },
+  "conform.nvim": { "branch": "master", "commit": "9d5ba06d6ee7418c674f498634617416d15b6239" },
   "copilot-cmp": { "branch": "master", "commit": "72fbaa03695779f8349be3ac54fa8bd77eed3ee3" },
   "copilot.lua": { "branch": "master", "commit": "f7612f5af4a7d7615babf43ab1e67a2d790c13a6" },
   "deepl.vim": { "branch": "main", "commit": "59df8cc17bb28989ce562bf4712c724d23baadcd" },
   "dressing.nvim": { "branch": "master", "commit": "18e5beb3845f085b6a33c24112b37988f3f93c06" },
-  "formatter.nvim": { "branch": "master", "commit": "ad246d34ce7a32f752071ed81b09b94e6b127fad" },
   "gen.nvim": { "branch": "main", "commit": "46ab810130097494bbcf12b1426a7166f4c2995e" },
   "gina.vim": { "branch": "master", "commit": "ff6c2ddeca98f886b57fb42283c12e167d6ab575" },
   "gitsigns.nvim": { "branch": "main", "commit": "078041e9d060a386b0c9d3a8c7a7b019a35d3fb0" },

lua/plugins/conform.lua

@@ -0,0 +1,37 @@
+return {
+	"stevearc/conform.nvim",
+	event = { "BufWritePre" },
+	cmd = { "ConformInfo" },
+	keys = {
+		{
+			-- Customize or remove this keymap to your liking
+			"<leader>f",
+			function()
+				require("conform").format({ async = true, lsp_fallback = true })
+			end,
+			mode = "",
+			desc = "Format buffer",
+		},
+	},
+	-- Everything in opts will be passed to setup()
+	opts = {
+		-- Define your formatters
+		formatters_by_ft = {
+			lua = { "stylua" },
+			python = { "isort", "black" },
+			javascript = { { "prettierd", "prettier" } },
+		},
+		-- Set up format-on-save
+		format_on_save = { timeout_ms = 500, lsp_fallback = true },
+		-- Customize formatters
+		formatters = {
+			shfmt = {
+				prepend_args = { "-i", "2" },
+			},
+		},
+	},
+	init = function()
+		-- If you want the formatexpr, here is the place to set it
+		vim.o.formatexpr = "v:lua.require'conform'.formatexpr()"
+	end,
+}

lua/plugins/exttools.lua

@@ -1,11 +1,3 @@
 return {
 	'mfussenegger/nvim-lint',
-	{
-		'mhartington/formatter.nvim',
-		opts = function()
-			return {
-
-			}
-		end
-	}
 }

plugin/on-attach.lua

@@ -10,7 +10,7 @@ local on_attach = function(args)
 	--
 
 	-- Mappings.
-	-- See `:help vim.lsp.*` for documentation on any of the below functions
+	-- stylua: ignore start
 	for _, mapping in ipairs({
 		{ 'gD',          vim.lsp.buf.declaration,                                     "Go to declaration" },
 		{ 'gd',          require('telescope.builtin').lsp_definitions,                "Go to definition" },
@@ -25,7 +25,6 @@ local on_attach = function(args)
 		{ '[d',          vim.diagnostic.goto_prev,                                    "Go to previous diagnostic" },
 		{ '[d',          vim.diagnostic.goto_prev,                                    "Go to next diagnostic" },
 		{ '<M-q>',       vim.diagnostic.setloclist,                                   "Add buffer diagnostics to location list" },
-		{ "<Leader>f",   function() vim.lsp.buf.format { async = true } end,          "Format buffer" },
 		{ "<leader>dc",  function() require("dap").continue() end,                    "Debug: Continue" },
 		{ "<leader>dK",  function() require("dap.ui.widgets").hover() end,            "Debug: Hover" },
 		{ "<leader>dt",  function() require("dap").toggle_breakpoint() end,           "Debug: Toggle breakpoint" },
@@ -40,14 +39,17 @@ local on_attach = function(args)
 		{ "<leader>aw",  function() vim.diagnostic.setqflist({ severity = "W" }) end, "Add all warnings to quickfix list" },
 		{ "<leader>ae",  function() vim.diagnostic.setqflist({ severity = "E" }) end, "Add all errors to quickfix list" },
 	}) do
-		vim.keymap.set('n', mapping[1], mapping[2], { silent = true, buffer = args.buf, desc = mapping[3] })
+		vim.keymap.set("n", mapping[1], mapping[2], { silent = true, buffer = args.buf, desc = mapping[3] })
 	end
+	-- stylua: ignore end
 
-	vim.keymap.set("n", "<leader>dr", function() require("dap").repl.toggle() end, { silent = true, desc = "Toogle debug REPL" })
+	vim.keymap.set("n", "<leader>dr", function()
+		require("dap").repl.toggle()
+	end, { silent = true, desc = "Toogle debug REPL" })
 
 	if client.server_capabilities.signatureHelpProvider then
-		vim.cmd [[autocmd CursorHoldI * silent! lua vim.lsp.buf.signature_help()]]
-		vim.cmd [[autocmd CursorHold * lua vim.diagnostic.open_float({max_width = 100, focusable = false})]]
+		vim.cmd([[autocmd CursorHoldI * silent! lua vim.lsp.buf.signature_help()]])
+		vim.cmd([[autocmd CursorHold * lua vim.diagnostic.open_float({max_width = 100, focusable = false})]])
 	end
 
 	if client.server_capabilities.documentHighlightingProvider then