nix-community.nixvim/tests/test-sources/plugins/by-name/nvim-ufo/default.nix

{
  empty = {
    plugins.nvim-ufo.enable = true;
  };

  example = {
    plugins.nvim-ufo = {
      enable = true;
      settings = {
        provider_selector = # Lua
          ''
            function(bufnr, filetype, buftype)
              local ftMap = {
                vim = "indent",
                python = {"indent"},
                git = ""
              }

             return ftMap[filetype]
            end
          '';

        fold_virt_text_handler = # Lua
          ''
            function(virtText, lnum, endLnum, width, truncate)
              local newVirtText = {}
              local suffix = ('  %d '):format(endLnum - lnum)
              local sufWidth = vim.fn.strdisplaywidth(suffix)
              local targetWidth = width - sufWidth
              local curWidth = 0
              for _, chunk in ipairs(virtText) do
                local chunkText = chunk[1]
                local chunkWidth = vim.fn.strdisplaywidth(chunkText)
                if targetWidth > curWidth + chunkWidth then
                  table.insert(newVirtText, chunk)
                else
                  chunkText = truncate(chunkText, targetWidth - curWidth)
                  local hlGroup = chunk[2]
                  table.insert(newVirtText, {chunkText, hlGroup})
                  chunkWidth = vim.fn.strdisplaywidth(chunkText)
                  -- str width returned from truncate() may less than 2nd argument, need padding
                  if curWidth + chunkWidth < targetWidth then
                    suffix = suffix .. (' '):rep(targetWidth - curWidth - chunkWidth)
                  end
                  break
                end
                curWidth = curWidth + chunkWidth
              end
              table.insert(newVirtText, {suffix, 'MoreMsg'})
              return newVirtText
            end
          '';
      };
    };

  };

  defaults = {
    plugins.nvim-ufo = {
      enable = true;
      settings = {
        open_fold_hl_timeout = 400;
        provider_selector = null;
        close_fold_kinds_for_ft = {
          default = { };
        };
        fold_virt_text_handler = null;
        enable_get_fold_virt_text = false;
        preview = {
          win_config = {
            border = "rounded";
            winblend = 12;
            winhighlight = "Normal:Normal";
            maxheight = 20;
          };
          mappings = {
            scrollB = "";
            scrollF = "";
            scrollU = "";
            scrollD = "";
            scrollE = "<C-E>";
            scrollY = "<C-Y>";
            jumpTop = "";
            jumpBot = "";
            close = "q";
            switch = "<Tab>";
            trace = "<CR>";
          };
        };
      };
    };
  };
}