add lualine plugin

lua/config/autocommands.lua

@@ -38,7 +38,7 @@ create_cmd("TextYankPost", {
 	desc = "Highlight yanked text",
 	group = create_group("cmd-highlight-yank", { clear = true }),
 	callback = function()
-		vim.highlight.on_yank()
+		vim.hl.on_yank()
 	end
 })
 

lua/config/keymaps.lua

@@ -47,7 +47,7 @@ local function smart_buffer_switch(current)
 	local current_index = nil
 	for index, buffer in ipairs(buffers) do
 		if buffer.bufnr == current then
-			current_index = i
+			current_index = index
 			break
 		end
 	end

lua/config/options.lua

@@ -62,7 +62,7 @@ vim.opt.pumborder = vim.g.ui.popupborder
 vim.opt.splitbelow = true
 vim.opt.splitright = true
 -- hide mode, displayed in lualine
--- vim.opt.showmode = false
+vim.opt.showmode = false
 vim.opt.shortmess:append("S")
 -- enable visual bell
 vim.opt.visualbell = true
@@ -75,7 +75,7 @@ vim.opt.backspace = { "indent", "eol", "start" }
 vim.opt.preserveindent = true
 vim.opt.smartindent = true
 vim.opt.breakindent = true
-vim.opt.breakindentopt:append({ min = 20, shift = -2, sbr = ture, list = -1 })
+vim.opt.breakindentopt:append({ min = 20, shift = -2, sbr = true, list = -1 })
 -- tab settings
 vim.opt.expandtab = false
 vim.opt.shiftround = true
@@ -91,7 +91,7 @@ vim.opt.matchpairs:append({ "<:>" })
 
 vim.opt.hlsearch = true
 vim.opt.ignorecase = true
-vim.opt.inccommand = split
+vim.opt.inccommand = "split"
 vim.opt.incsearch = true
 vim.opt.smartcase = true
 
@@ -108,8 +108,8 @@ vim.opt.swapfile = true
 
 -- Performance settings
 
-vim.opt.updatetime = 1000
-vim.opt.timeoutlen = 300
+vim.opt.updatetime = 1000 -- after this idle time, write backup, swap files etc.
+vim.opt.timeoutlen = 500 -- timeout to wait for key combinations to complete.
 
 
 -- Mouse and Clipboard settings

lua/config/ui.lua

@@ -66,5 +66,9 @@ vim.g.ui = {
 			sign_info = "I",
 			sign_hint = "H",
 		},
+		component_separators = { left = "│", right = "│" },
+		section_separators = { left = "▒", right = "▒" },
+		window = "",
+		not_overline = "\u{0305}",
 	}
 }

lua/lsp/init.lua

@@ -33,48 +33,168 @@ vim.pack.add({
 	{ src = "https://github.com/neovim/nvim-lspconfig" },
 })
 
-vim.lsp.config("lua_ls", {
-	on_init = function(client)
-		if client.workspace_folders then
-			local path = client.workspace_folders[1].name
-			if
-				path ~= vim.fn.stdpath("config")
-				and (
-					vim.uv.fs_stat(path .. "/.luarc.json")
-					or vim.uv.fs_stat(path .. "/.luarc.jsonc")
-				)
-			then
-				-- Path is not neovim's config folder and
-				-- the file .luarc.json or .luarc.jsonc exists
-				-- in the directory -> exit function and skip custom
-				-- configuration of the client below
-				return
+require("lsp.lua_ls")
+
+local function run_healthcheck(section)
+	local before = {}
+	for _, b in ipairs(vim.api.nvim_list_bufs()) do
+		before[b] = true
+	end
+
+	vim.cmd("silent checkhealth " .. section)
+
+	local after = vim.api.nvim_list_bufs()
+	local health_buf = nil
+
+	for _, b in ipairs(after) do
+		if not before[b] then
+			health_buf = b
+			break
+		end
+	end
+
+	if not health_buf then
+		return { "Could not capture :checkhealth vim.lsp output" }
+	end
+
+	-- Read lines
+	local lines = vim.api.nvim_buf_get_lines(health_buf, 0, -1, false)
+
+	-- Close the health window
+	for _, win in ipairs(vim.api.nvim_list_wins()) do
+		if vim.api.nvim_win_get_buf(win) == health_buf then
+			vim.api.nvim_win_close(win, true)
+		end
+	end
+
+	return lines
+end
+
+local function get_all_treesitter_languages()
+	local bufnr = 0
+	local ok, parser = pcall(vim.treesitter.get_parser, bufnr)
+	if not ok or not parser then
+		return {}
+	end
+
+	local langs = { parser:lang() }
+	for _, child in ipairs(parser:children()) do
+		table.insert(langs, child:lang())
+	end
+	return langs
+end
+
+local function get_treesitter_status()
+	local bufnr = 0
+	local ok, parser = pcall(vim.treesitter.get_parser, bufnr)
+
+	if not ok or not parser then
+		return {
+			"Treesitter:",
+			"  active: no",
+			"  parsers: none",
+		}
+	end
+
+	local langs = get_all_treesitter_languages()
+	return {
+		"Treesitter:",
+		"  active: yes",
+		"  parsers: " .. table.concat(langs, ", "),
+	}
+end
+
+
+local function show_lsp_details()
+	local popup_buffer = vim.api.nvim_create_buf(false, true)
+	local lsp_clients = vim.lsp.get_clients({ bufnr = 0 })
+	local lines = {}
+
+	-- Treesitter status
+	table.insert(lines, "Treesitter Status")
+	table.insert(lines, "=================")
+	local ts = get_treesitter_status()
+	for _, l in ipairs(ts) do
+		table.insert(lines, l)
+	end
+
+	table.insert(lines, "")
+	if #lsp_clients == 0 then
+		table.insert(lines, "No LSP clients attached.")
+	else
+		table.insert(lines, "Active LSP Clients:")
+		table.insert(lines, "===================")
+		for _, client in ipairs(lsp_clients) do
+			table.insert(lines, "")
+			table.insert(lines, "• " .. client.name)
+
+			-- Root folders
+			local roots = {}
+			if client.workspace_folders then
+				for _, workspace_folder in ipairs(client.workspace_folders) do
+					table.insert(roots, workspace_folder.name or workspace_folder.uri or "")
+				end
+			end
+
+			if #roots > 0 then
+				table.insert(lines, "  Roots:")
+				for _, root in ipairs(roots) do
+					table.insert(lines, "  - " ..root)
+				end
+			else
+				table.insert(lines, "  Roots: none")
+			end
+
+			-- Capabilities
+			table.insert(lines, "  Capabilities:")
+			for capability, _ in pairs(client.server_capabilities or {}) do
+				table.insert(lines, "  - " .. capability)
 			end
 		end
+	end
 
-		client.config.settings.Lua = vim.tbl_deep_extend("force", client.config.settings.Lua, {
-			runtime = {
-				-- neovim uses LuaJIT runtime
-				version = "LuaJIT",
-				-- find lua modules the same way neovim does
-				path = {
-					"lua/?.lua",
-					"lua/?/init.lua",
-				}
-			},
-			-- make the server aware of neovim runtime files
-			workspace = {
-				checkThirdParty = false,
-				library = {
-					vim.env.VIMRUNTIME,
-					-- for LSP settings type annotations
-					vim.api.nvim_get_runtime_file("lua/lspconfig", false)[1],
-				}
-			}
-		})
-	end,
-	settings = {
-		Lua = {}
-	}
+	table.insert(lines, "")
+	table.insert(lines, "Health Check (vim.lsp):")
+	table.insert(lines, "=======================")
+	local health_lines = run_healthcheck("vim.lsp")
+	for _, l in ipairs(health_lines) do
+		table.insert(lines, "  " .. l)
+	end
+
+	table.insert(lines, "")
+	table.insert(lines, "Health Check (vim.treesitter):")
+	table.insert(lines, "=======================")
+	local health_lines = run_healthcheck("vim.treesitter")
+	for _, l in ipairs(health_lines) do
+		table.insert(lines, "  " .. l)
+	end
+
+
+	vim.api.nvim_buf_set_lines(popup_buffer, 0, -1, false, lines)
+	vim.api.nvim_set_option_value("modifiable", false, { buf = popup_buffer })
+	vim.api.nvim_set_option_value("readonly", true, { buf = popup_buffer })
+	local width = math.floor(vim.o.columns * 0.6)
+	local height = math.floor(vim.o.lines * 0.6)
+	local row = math.floor((vim.o.lines - height) / 2)
+	local col = math.floor((vim.o.columns - width) / 2)
+
+	local window = vim.api.nvim_open_win(popup_buffer, true, {
+		relative = "editor",
+		style = "minimal",
+		border = vim.g.ui.popupborder,
+		row = row,
+		col = col,
+		width = width,
+		height = height,
+	})
+
+	vim.keymap.set("n", "q", function()
+		if vim.api.nvim_win_is_valid(window) then
+			vim.api.nvim_win_close(window, true)
+		end
+	end, { buffer = popup_buffer, nowait = true, desc = "Close Window" })
+end
+
+vim.keymap.set("n", "<leader>li", show_lsp_details, {
+  desc = "Show detailed LSP info in a float"
 })
-vim.lsp.enable({ "lua_ls" })

lua/lsp/lua_ls.lua

@@ -0,0 +1,75 @@
+--[[
+
+
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣷⣦⣄⡀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⠚⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠗⢀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⣄⡉⠓⠦⣌⡙⠻⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠟⢋⣡⠴⠚⢉⣠⣤⣀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣤⣶⣿⣿⣿⣿⣿⣷⣦⣄⡉⠓⠦⣌⡙⠻⢿⣿⣿⣿⣿⣿⣿⡿⠟⢋⣡⠴⠚⢉⣠⣴⣾⣿⣿⣿⣿⣿⣶⣤
+⠀⠀⠀⠀⠀⠀⠀⠀⠐⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠓⠦⣌⡙⠻⠟⢋⣡⠴⠚⢉⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⠂
+⠀⠀⠀⠀⢀⣠⣴⣆⡈⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠃⠘⢉⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢁⣰⣦⣄⡀
+⠀⠀⠐⠾⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠷⠂
+⠀⢸⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⡇
+⠀⢸⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⡇
+⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⡆⢰⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠃⠘⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⡇⢸⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⡇⢸⠿⠛⠉
+
+__             _             _
+/ _|___     ___| |_ __ _  ___| | __
+| ||_  /____/ __| __/ _` |/ __| |/ /
+|  _/ /_____\__ \ || (_| | (__|   <
+|_|/___|    |___/\__\__,_|\___|_|\_\
+
+Neovim v0.12 configuration
+(C) Frank Zechert 2026
+]]
+
+vim.lsp.config("lua_ls", {
+	on_init = function(client)
+		if client.workspace_folders then
+			local path = client.workspace_folders[1].name
+			if
+				path ~= vim.fn.stdpath("config")
+				and (
+					vim.uv.fs_stat(path .. "/.luarc.json")
+					or vim.uv.fs_stat(path .. "/.luarc.jsonc")
+				)
+				then
+					-- Path is not neovim's config folder, or has custom
+					-- lua language server configuration, skip custom client configuration
+					return
+				end
+			end
+			client.config.settings.Lua = vim.tbl_deep_extend("force", client.config.settings.Lua, {
+				runtime = {
+					-- neovim uses LuaJIT runtime
+					version = "LuaJIT",
+					-- find lua modules the same way neovim does
+					path = {
+						"lua/?.lua",
+						"lua/?/init.lua",
+					}
+				},
+				-- make the server aware of neovim runtime files
+				workspace = {
+					checkThirdParty = false,
+					library = {
+						vim.env.VIMRUNTIME,
+						-- for LSP settings type annotations
+						vim.api.nvim_get_runtime_file("lua/lspconfig", false)[1],
+					}
+				}
+			})
+		end,
+		settings = {
+			Lua = {}
+		}
+	})
+
+	vim.lsp.enable({ "lua_ls" })

lua/plugins/init.lua

@@ -31,3 +31,4 @@
 ]]
 
 require("plugins/catppuccin")
+require("plugins/lualine")

lua/plugins/lualine.lua

@@ -0,0 +1,154 @@
+--[[
+
+
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣷⣦⣄⡀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⠚⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠗⢀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⣄⡉⠓⠦⣌⡙⠻⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠟⢋⣡⠴⠚⢉⣠⣤⣀
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣤⣶⣿⣿⣿⣿⣿⣷⣦⣄⡉⠓⠦⣌⡙⠻⢿⣿⣿⣿⣿⣿⣿⡿⠟⢋⣡⠴⠚⢉⣠⣴⣾⣿⣿⣿⣿⣿⣶⣤
+⠀⠀⠀⠀⠀⠀⠀⠀⠐⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠓⠦⣌⡙⠻⠟⢋⣡⠴⠚⢉⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⠂
+⠀⠀⠀⠀⢀⣠⣴⣆⡈⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠃⠘⢉⣠⣴⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢁⣰⣦⣄⡀
+⠀⠀⠐⠾⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣷⣾⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠷⠂
+⠀⢸⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⡇
+⠀⢸⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⣦⣄⡉⠛⠿⠿⠛⢉⣠⣴⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⡇
+⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠻⢿⣿⣷⡆⢰⣾⣿⡿⠟⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣌⡙⠃⠘⢋⣡⣴⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⣿⣷⣾⣿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⠛⠿⣿⣿⣿⣿⠿⠛⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⣿⣷⣦⣄⡉⢉⣠⣴⣾⣿⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⣿⣿⣿⣿⡇⢸⣿⣿⣿⣿⠿⠛⠉
+⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠿⡇⢸⠿⠛⠉
+
+__             _             _
+/ _|___     ___| |_ __ _  ___| | __
+| ||_  /____/ __| __/ _` |/ __| |/ /
+|  _/ /_____\__ \ || (_| | (__|   <
+|_|/___|    |___/\__\__,_|\___|_|\_\
+
+Neovim v0.12 configuration
+(C) Frank Zechert 2026
+]]
+
+vim.pack.add({
+	{ src = "https://github.com/nvim-tree/nvim-web-devicons" },
+	{ src = "https://github.com/nvim-lualine/lualine.nvim" }
+})
+
+local function expandtabs()
+	if not vim.bo.expandtab then
+		return string.format("%s %d", vim.g.ui.listchars.leadtab, vim.bo.tabstop)
+	else
+		local width = vim.bo.shiftwidth
+		if width == 0 then
+			width = vim.bo.tabstop
+		end
+		return string.format("%s %d", vim.g.ui.listchars.nbsp, width)
+	end
+end
+
+local function windownumber()
+	return string.format("%s %s", vim.g.ui.symbols.window, vim.fn.winnr())
+end
+
+local function treesitter_status()
+	local ok, parser = pcall(vim.treesitter.get_parser, 0)
+	if not ok or not parser then
+		return "T"..vim.g.ui.symbols.not_overline
+	else
+		return "T"
+	end
+end
+
+local function lsp_status()
+	local clients = vim.lsp.get_clients({bufnr = 0})
+	if #clients == 0 then
+		-- no LSP is attached
+		return "L"..vim.g.ui.symbols.not_overline
+	end
+
+	local lsp_names = {}
+	for _, client in ipairs(clients) do
+		local roots = {}
+		if client.workspace_folders then
+			for _, workspace_folder in ipairs(client.workspace_folders) do
+				table.insert(roots, workspace_folder.name or workspace_folder.uri or "")
+			end
+		end
+		local has_root = (roots and #roots > 0)
+		local root_flag = has_root and "+R" or ""
+		table.insert(lsp_names, string.format("%s%s", client.name, root_flag))
+	end
+	return string.format("L: %s", table.concat(lsp_names, ", "))
+end
+
+
+require('lualine').setup({
+	options = {
+		component_separators = vim.g.ui.symbols.component_separators,
+		section_separators = vim.g.ui.symbols.section_separators,
+		globalstatus = false,
+		refresh = {
+			refresh_time = 33, -- ~30 fps
+		}
+	},
+	sections = {
+		lualine_a = { "mode" },
+		lualine_b = { "searchcount", "selectioncount" },
+		lualine_c = {
+			{ "filename", file_status = true, newfile_status = true, path = 1 },
+		},
+		lualine_x = {
+			"encoding",
+			{ "fileformat", icons_enabled = true, symbols = { unix = "LF", dos = "CRLF", mac = "CR" } },
+			expandtabs,
+			"filesize"
+		},
+		lualine_y = {},
+		lualine_z = { "location", "progress" },
+	},
+	inactive_sections = {
+		lualine_a = {},
+		lualine_b = {},
+		lualine_c = {
+			{ "filename", file_status = true, newfile_status = true, path = 1 },
+		},
+		lualine_x = {
+			"encoding",
+			{ "fileformat", icons_enabled = true, symbols = { unix = "LF", dos = "CRLF", mac = "CR" } },
+			expandtabs,
+			"filesize",
+		},
+		lualine_y = {},
+		lualine_z = { "location", "progress" },
+	},
+	tabline = {
+		lualine_a = {
+			{ "buffers", mode = 2, use_mode_colors = true },
+		},
+		lualine_b = {},
+		lualine_c = {},
+		lualine_x = {},
+		lualine_y = {},
+		lualine_z = {
+			{ "tabs", mode = 0, use_mode_colors = true },
+		},
+	},
+	winbar = {
+		lualine_a = { windownumber },
+		lualine_b = { "filename", "filetype" },
+		lualine_c = { "diagnostics" },
+		lualine_x = { treesitter_status, lsp_status },
+		lualine_y = { "branch", "diff" },
+		lualine_z = {},
+	},
+	inactive_winbar = {
+		lualine_a = { windownumber },
+		lualine_b = {},
+		lualine_c = {},
+		lualine_x = {},
+		lualine_y = {},
+		lualine_z = {},
+	}
+
+})

nvim-pack-lock.json

@@ -4,9 +4,17 @@
       "rev": "e068ab5f8261f23f6f71ffd8791ae40315b77b9c",
       "src": "https://github.com/catppuccin/nvim"
     },
+    "lualine.nvim": {
+      "rev": "221ce6b2d999187044529f49da6554a92f740a96",
+      "src": "https://github.com/nvim-lualine/lualine.nvim"
+    },
     "nvim-lspconfig": {
       "rev": "bfcc0171a43f22afa61d927ffe9fcb6cb85dc99e",
       "src": "https://github.com/neovim/nvim-lspconfig"
+    },
+    "nvim-web-devicons": {
+      "rev": "dfbfaa967a6f7ec50789bead7ef87e336c1fa63c",
+      "src": "https://github.com/nvim-tree/nvim-web-devicons"
     }
   }
 }