.files/.config/nvim/after/plugin/treesitter.lua

require("nvim-treesitter.configs").setup {

    ensure_installed = {
        -- funny language hehe
        "haskell",
        "rust",
        "nix",
        -- vim
        "lua",
        -- misc
        "html",
        "scss",
        "css",
        "json",
    },
    ignore_install = { "typst", "markdown" },
    sync_install = false,
    auto_install = true,
    highlight = { enable = true },

    -- Disable for large files
    disable = function(lang, buf)
        local max_filesize = 100 * 1024 -- 100 KB
        local ok, stats = pcall(vim.uv.fs_stat, vim.api.nvim_buf_get_name(buf))
        if ok and stats and stats.size > max_filesize then return true end
    end,

    -- Text objets
    textobjects = {
        select = {
            enable = true,
            lookahead = true,
            keymaps = {
                ["af"] = "@function.outer",
                ["if"] = "@function.inner",
                ["ac"] = "@class.outer",
                ["ic"] = "@class.inner",
            },
            selection_modes = {
                ["@parameter.outer"] = "v", -- charwise
                ["@function.outer"] = "V", -- linewise
                ["@class.outer"] = "<c-v>", -- blockwise
            },
            include_surrounding_whitespace = true,
        },
        swap = {
            enable = true,
            swap_next = {
                ["<leader>a"] = "@parameter.inner",
            },
            swap_previous = {
                ["<leader>A"] = "@parameter.inner",
            },
        },
    },
}