nvim/lua/config/treesitter.lua

require'nvim-treesitter.configs'.setup {
  ensure_installed = "all",
  sync_install = false,
  auto_install = true,
  highlight = {
    enable = true,
    disable = function(lang, buf)
        local max_filesize = 100 * 1024 
        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,
    additional_vim_regex_highlighting = false,
  },
}