Implemented folding and some improvements. Moved functions to the utils module

lua/config/autocmds.lua

@@ -1,9 +1,8 @@
 -- Save the last file on exit
 vim.api.nvim_create_autocmd("VimLeave", {
 	callback = function()
-		-- Save the last file path to a file
 		local last_file = vim.fn.expand('%:p') -- Get the absolute path of the current file
-		if last_file ~= "" then
+		if last_file ~= "" then          -- The operator means not equal in lua
 			local file = io.open(vim.fn.stdpath('data') .. "/lastfile.txt", "w")
 			if file then
 				file:write(last_file)
@@ -12,3 +11,18 @@ vim.api.nvim_create_autocmd("VimLeave", {
 		end
 	end,
 })
+
+vim.api.nvim_create_augroup("RememberFolds", {
+	clear = true
+})
+vim.api.nvim_create_autocmd({"BufWinLeave"}, {
+  group = "RememberFolds",
+  pattern = "*",
+  command = "silent! mkview",
+})
+vim.api.nvim_create_autocmd({"BufWinEnter"}, {
+  group = "RememberFolds",
+  pattern = "*",
+  command = "silent! loadview",
+})
+

lua/config/keymaps.lua

@@ -33,6 +33,20 @@ vim.keymap.set('n', '<leader>ya', 'ggVG"+y<C-o>')
 vim.keymap.set('n', '<leader>ss', ':wa<CR>')
 vim.keymap.set("n", "<leader>nn", ":e ~/synced/brainstore/zettelkasten/quick<CR>", { silent = true })
 
+-- Folding
+local opts = { noremap = true, silent = true }
+local is_all_folded = false
+local function toggle_fold()
+	if is_all_folded then
+		vim.opt.foldlevel = 99
+	else
+		vim.opt.foldlevel = 0
+	end
+	is_all_folded = not is_all_folded
+end
+vim.api.nvim_set_keymap("n", "<leader>ft", "za", opts)      -- toggle fold under cursor
+vim.keymap.set("n", "<leader>fs", toggle_fold, opts)  -- close all folds
+
 -- Quickly open some buffers
 vim.keymap.set('n', '<leader>occ', ':e ~/.config/nvim/init.lua<CR>`.zz')
 vim.keymap.set('n', '<leader>oct', ':e ~/synced/vault/contacts/contacts.txt<CR>`.zz')

lua/config/options.lua

@@ -16,3 +16,13 @@ vim.g.loaded_netrw = 1
 vim.g.loaded_netrwPlugin = 1
 
 vim.opt.signcolumn = "yes"
+
+-- Enable Treesitter-based folding
+vim.opt.foldmethod = "expr"
+vim.opt.foldexpr = "nvim_treesitter#foldexpr()"
+vim.opt.foldlevelstart = 99 -- open all folds by default
+vim.opt.fillchars = "fold:╌"
+
+-- 3. Persist folds using mkview/loadview
+
+

lua/plugins/misc.lua

@@ -1,4 +1,3 @@
-local base_zet = "~/synced/brainstore/zettelkasten"
 
 return {
 	{
@@ -43,6 +42,8 @@ return {
 		'Ascyii/telekasten.nvim',
 		dev = true,
 		config = function()
+			local base_zet = "~/synced/brainstore/zettelkasten"
+
 			-- Again can only use opts when not using config
 			require("telekasten").setup({
 				home = vim.fn.expand(base_zet),
@@ -61,6 +62,7 @@ return {
 				uuid_separator = "-",
 			})
 
+			-- Telekasten occupies the z namespace
 			vim.keymap.set("n", "<leader>z", "<cmd>Telekasten panel<CR>")
 			vim.keymap.set("n", "<leader>zf", "<cmd>Telekasten find_notes<CR>")
 			vim.keymap.set("n", "<leader>zg", "<cmd>Telekasten search_notes<CR>")

lua/plugins/nvimtree.lua

@@ -2,13 +2,16 @@ return {
 	"nvim-tree/nvim-tree.lua",
 	keys = {
 		{ "<leader>e", function()
-			require("nvim-tree.api").tree.toggle({ find_file = true, update_root = true, focus = true, })
+			require("nvim-tree.api").tree.toggle({
+				find_file = true,
+				update_root = true,
+				focus = true,
+			})
 		end
 		}
 	},
 	opts = {
 		sort_by = "case_sensitive",
-
 		view = {
 			width = 35,
 			side = "right",
@@ -19,7 +22,6 @@ return {
 		update_focused_file = {
 			enable = false,
 		},
-
 		renderer = {
 			group_empty = true,
 			highlight_git = true,
@@ -39,25 +41,21 @@ return {
 				},
 			},
 		},
-
 		filters = {
 			dotfiles = false,
 			git_clean = false,
 			no_buffer = false,
 			custom = { ".git" },
 		},
-
 		git = {
 			enable = true,
 			ignore = false,
 		},
-
 		actions = {
 			open_file = {
 				quit_on_open = false,
 				resize_window = true,
 			},
 		},
-
 	}
 }

lua/plugins/searching.lua

@@ -57,7 +57,7 @@ return {
 						no_ignore = true, -- Also show files in gitignore
 						follow = true,
 						disable_devicons = true,
-						prompt_title = "Find Files - custom",
+						prompt_title = "Find Files",
 						find_command = {
 							"rg", "--files",
 							"--glob", "!**/.git/*",

lua/plugins/treesitter.lua

@@ -10,6 +10,7 @@ return {
 				ensure_installed = { "typst", "go", "bash", "python", "nix", "lua" },
 				highlight = { enable = true },
 				indent = { enable = true },
+				fold = { enable = true },
 			})
 		end
 	},

lua/plugins/ui.lua

@@ -1,14 +1,4 @@
---- @return string
-local function get_cwd()
-	local cwd = vim.fn.getcwd()
-	local home = os.getenv("HOME")
-
-	if cwd:sub(1, #home) == home then
-		return "~" .. cwd:sub(#home + 1)
-	else
-		return cwd
-	end
-end
+local utils = require("utils.functions")
 
 return {
 	{
@@ -21,15 +11,17 @@ return {
 	},
 	{
 		'nvim-lualine/lualine.nvim',
-		dependencies = { 'nvim-tree/nvim-web-devicons' },
+		dependencies = {
+			'nvim-tree/nvim-web-devicons'
+		},
 		opts = {
 			options = {
-				icons_enabled = false,
+				icons_enabled = true,
 				theme = 'gruvbox',
 				component_separators = { left = '', right = '' },
 				section_separators = { left = '', right = '' },
 				always_divide_middle = true,
-				always_show_tabline = true,
+				always_show_tabline = false,
 				globalstatus = false,
 				refresh = {
 					statusline = 300,
@@ -40,21 +32,12 @@ return {
 			sections = {
 				lualine_a = { 'mode' },
 				lualine_b = { 'branch', 'diff', 'diagnostics' },
-				lualine_c = { get_cwd, 'filename' },
+				lualine_c = { utils.get_cwd(), 'filename' },
 				lualine_x = { 'encoding', 'fileformat', 'filetype' },
 				lualine_y = { 'progress' },
 				lualine_z = { 'location' }
 			},
-			inactive_sections = {
-				lualine_a = {},
-				lualine_b = {},
-				lualine_c = { 'filename' },
-				lualine_x = { 'location' },
-				lualine_y = {},
-				lualine_z = {}
-			},
-			extensions = { "nvim-tree" }
-
+			extensions = { "nvim-tree" } -- show another line on the tree
 		}
 	},
 	{

lua/utils/functions.lua

@@ -5,6 +5,18 @@ function M.sleep(n)
 	os.execute("sleep " .. tonumber(n))
 end
 
+--- @return string
+function M.get_cwd()
+	local cwd = vim.fn.getcwd()
+	local home = os.getenv("HOME")
+
+	if cwd:sub(1, #home) == home then
+		return "~" .. cwd:sub(#home + 1)
+	else
+		return cwd
+	end
+end
+
 --- @return {}
 function M.get_lsp_servers()
 	local servers = { "lua_ls" }