nvim: Turn off treesitter highlights in big files

Files above 1000 lines, 300 linelength or really big filesize.

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

@@ -7,11 +7,21 @@ return {
 			require("nvim-treesitter.configs").setup({
 				-- one of "all", "maintained" (parsers with maintainers), or a list of languages
 				ensure_installed = "all",
+				auto_install = true,
 				highlight = {
 					enable = true,
+					language_tree = true,
 					disable = function(_, bufnr)
-						return vim.api.nvim_buf_line_count(bufnr) > 7000
+						if
+						    vim.api.nvim_buf_line_count(bufnr) > 1000
+							or vim.fn.strwidth(vim.fn.getline(".")) > 300
+							or vim.fn.getfsize(vim.fn.expand("%")) > 1024*1024
+						then
+							return true
+						end
+						return false
 					end,
+					additional_vim_regex_highlighting = false,
 				},
 				incremental_selection = { enable = true },
 				textobjects = { enable = true },