---@param tbl table
---@return table
local tbl_uniq = function(tbl)
	---@type table<string, boolean>
	local added = {}
	local res = {}
	res = vim.tbl_filter(function(k)
		if added[k] then
			return false
		end
		added[k] = true
		return true
	end, tbl)

	return res
end

return {
	{
		"nvim-treesitter/nvim-treesitter",
		--enabled = false,
		build = ":TSUpdate",
		cmd = { "TSUpdateSync" },
		event = { "BufReadPost", "BufNewFile" },
		--init = function()
		--vim.o.foldmethod = "expr"
		--vim.o.foldexpr = "nvim_treesitter#foldexpr()"
		--end,
		opts = {
			indent = { enable = true },
			ensure_installed = { "query" },
			ignore_install = {},
			highlight = {
				enable = true,
				additional_vim_regex_highlighting = false,

				-- disable for big files
				disable = function(_, buf)
					local max_filesize = 100 * 1024 -- 100 KB
					local ok, stats =
						pcall(vim.loop.fs_stat, vim.api.nvim_buf_get_name(buf))
					if ok and stats and stats.size > max_filesize then
						return true
					end
				end,
			},
			query_linter = {
				enable = true,
				use_virtual_text = true,
				lint_events = { "BufWrite", "CursorHold" },
			},
		},
		config = function(_, opts)
			if type(opts.ensure_installed) == "table" then
				opts.ensure_installed = tbl_uniq(opts.ensure_installed)
			end
			if type(opts.ignore_install) == "table" then
				opts.ignore_install = tbl_uniq(opts.ignore_install)
			end
			require("nvim-treesitter.configs").setup(opts)
		end,
	},
}