fixed folding -- again

term/.config/nvim/init.lua

@@ -92,3 +92,13 @@ vim.keymap.set("n", "<A-j>", ":m .+1<CR>==", { desc = "Move line down" })
 vim.keymap.set("n", "<A-k>", ":m .-2<CR>==", { desc = "Move line up" })
 vim.keymap.set("v", "<A-j>", ":m '>+1<CR>gv=gv", { desc = "Move selection down" })
 vim.keymap.set("v", "<A-k>", ":m '<-2<CR>gv=gv", { desc = "Move selection up" })
+
+-- Folding keymaps
+vim.keymap.set("n", "za", "za", { desc = "Toggle fold under cursor" })
+vim.keymap.set("n", "zA", "zA", { desc = "Toggle fold recursively" })
+vim.keymap.set("n", "zR", "zR", { desc = "Open all folds" })
+vim.keymap.set("n", "zM", "zM", { desc = "Close all folds" })
+vim.keymap.set("n", "zo", "zo", { desc = "Open fold under cursor" })
+vim.keymap.set("n", "zc", "zc", { desc = "Close fold under cursor" })
+vim.keymap.set("n", "zO", "zO", { desc = "Open all folds under cursor" })
+vim.keymap.set("n", "zC", "zC", { desc = "Close all folds under cursor" })

term/.config/nvim/lua/basic-settings.lua

@@ -10,20 +10,45 @@
     - vim.go.* for global option shorthand
 ]]
 
+-- ============================================================================
+-- TREESITTER (Built-in Neovim 0.10+ features)
+-- ============================================================================
+-- Enable Treesitter syntax highlighting (native in Neovim 0.10+)
+-- This replaces the old nvim-treesitter highlight module
+vim.api.nvim_create_autocmd("FileType", {
+	pattern = "*",
+	callback = function()
+		if vim.bo.buftype == "" and vim.bo.filetype ~= "" then
+			pcall(vim.treesitter.start)
+		end
+	end,
+	desc = "Enable Treesitter highlighting",
+})
+
 -- ============================================================================
 -- FOLDING SETTINGS (Code folding)
 -- ============================================================================
--- Foldmethod determines how code blocks are detected and folded
+-- NOTE: In Neovim 0.10+, Treesitter folding must be set per-buffer via FileType autocmd
--- "expr" means folds are based on expressions (we use treesitter for this)
+-- Setting it globally causes the foldexpr to evaluate before Treesitter attaches
-vim.opt.foldmethod = "expr"
-
--- Foldexpr is the expression used to determine fold level
--- v:lua.vim.treesitter.foldexpr() uses Treesitter to calculate folds
-vim.opt.foldexpr = "v:lua.vim.treesitter.foldexpr()"
 
 -- Foldlevel: Higher number = more folds are open by default
--- 99 means almost all folds are open when opening a file
+-- 1-2 means you'll see folds by default; 99 means all folds are open
-vim.opt.foldlevel = 99
+vim.opt.foldlevel = 1
+vim.opt.foldlevelstart = 1
+
+-- Setup Treesitter folding for each buffer after filetype is detected
+-- This ensures the parser is loaded before foldexpr evaluates
+vim.api.nvim_create_autocmd("FileType", {
+	pattern = "*",
+	callback = function()
+		-- Only set folding for file buffers with Treesitter support
+		if vim.bo.buftype == "" then
+			vim.wo.foldmethod = "expr"
+			vim.wo.foldexpr = "v:lua.vim.treesitter.foldexpr()"
+		end
+	end,
+	desc = "Setup Treesitter folding per filetype",
+})
 
 -- ============================================================================
 -- LINE NUMBERS

term/.config/nvim/lua/plugins/treesitter.lua

@@ -3,15 +3,22 @@ return {
 	build = ":TSUpdate",
 	event = { "BufReadPost", "BufNewFile" },
 	config = function()
-		-- Ensure nvim-treesitter queries are preferred over runtime queries
+		-- In the latest nvim-treesitter (post-refactor), the plugin only handles
-		-- This fixes the "except*" syntax error with updated parsers
+		-- parser installation. Highlighting, folding, and indenting are handled
-		vim.opt.runtimepath:prepend(vim.fn.stdpath("data") .. "/lazy/nvim-treesitter")
+		-- by native Neovim Treesitter integration.
 
-		local ok, configs = pcall(require, "nvim-treesitter.configs")
+		-- CRITICAL: Add nvim-treesitter/runtime to runtimepath so queries are found
-		if ok then
+		local ts_runtime = vim.fn.stdpath("data") .. "/lazy/nvim-treesitter/runtime"
-			configs.setup({
+		vim.opt.runtimepath:prepend(ts_runtime)
-				auto_install = true,
+
-				ensure_installed = {
+		-- Setup nvim-treesitter (minimal config for parser installation)
+		require("nvim-treesitter").setup({
+			-- Parser installation directory (default: stdpath('data')/site)
+			install_dir = vim.fn.stdpath("data") .. "/site",
+		})
+
+		-- Auto-install parsers for these languages when opening a file
+		local ensure_installed = {
 			"python",
 			"lua",
 			"json",
@@ -25,14 +32,27 @@ return {
 			"bash",
 			"markdown",
 			"markdown_inline",
-				},
+		}
-				highlight = {
+
-					enable = true,
+		-- Install parsers
-					-- Disable additional_vim_regex_highlighting to avoid conflicts
+		local ok, install = pcall(require, "nvim-treesitter.install")
-					additional_vim_regex_highlighting = false,
+		if ok then
-				},
+			for _, lang in ipairs(ensure_installed) do
-				indent = { enable = true },
+				vim.schedule(function()
-			})
+					install.install({ lang })
+				end)
+			end
+		end
+
+		-- Enable Treesitter-based indenting (natively supported by Neovim)
+		vim.api.nvim_create_autocmd("FileType", {
+			pattern = "*",
+			callback = function()
+				if vim.bo.buftype == "" and vim.bo.filetype ~= "" then
+					vim.bo.indentexpr = "v:lua.vim.treesitter.indentexpr()"
 				end
 			end,
+			desc = "Enable Treesitter indenting",
+		})
+	end,
 }