configuration.nix/nvim/standalone.nix

{ standalone }:
{
  pkgs,
  system,
  unstable,
  lib,
  ...
}:
{
  imports = [
    ./options.nix
    ./plugins.nix
    ./mappings.nix
    ./augroups.nix
  ];

  config = {
    nixpkgs = lib.optionalAttrs standalone { pkgs = import unstable { inherit system; }; };
    globals.mapleader = " ";
    # Appearance
    colorschemes.gruvbox = {
      enable = true;
      settings = {
        bold = true;
        transparent_mode = true;
        terminal_colors = true;
      };
    };
    clipboard.providers.wl-copy.enable = true;
    opts = {
      number = true;
      relativenumber = true;
      colorcolumn = "+1";
      cursorline = true;
      wrap = false;
      splitright = true;
      # Tabs & indentation
      smarttab = true;
      autoindent = true;
      smartindent = true;
      # Search path
      path = ".,/usr/include,**";
      wildmenu = true;
      hlsearch = true;
      incsearch = true;
      ignorecase = true; # Search ignores cases
      smartcase = true; # Unless it has a capital letter
      # Enable local configuration :h 'exrc'
      exrc = true; # safe since nvim 0.9
    };
    extraPlugins =
      let
        plugins = pkgs.vimPlugins;
        extraPlugins = import ./extraPlugins { inherit pkgs; };
      in
      [
        plugins.nui-nvim
        plugins.nvim-web-devicons
        extraPlugins.vim-jjdescription
        extraPlugins.nvim-silicon
      ];
    # Formatting & linters
    extraPackages = [
      pkgs.luajitPackages.jsregexp
      pkgs.shfmt
      pkgs.silicon
      pkgs.statix
      pkgs.stylua
      pkgs.taplo
      pkgs.typos
      pkgs.yamlfmt
      (pkgs.python3.withPackages (p: [ p.jupytext ]))
    ];
    extraConfigLuaPre =
      # lua
      ''
        -- Lua Pre Config
        if vim.fn.has 'termguicolors' then
          -- Enable RGB colors
          vim.g.termguicolors = true
        end

        -- Useful function
        local has_words_before = function()
          -- unpack = unpack or table.unpack
          local line, col = unpack(vim.api.nvim_win_get_cursor(0))
          return col ~= 0
            and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match '%s' == nil
        end
        -- END: Lua Pre Config
      '';
    extraConfigLua =
      # lua
      ''
        -- Lua Config
        require("nvim-silicon").setup {
          theme = "gruvbox-dark",
          pad_horiz = 16,
         pad_vert = 16,
          -- Current buffer name
          window_title = function()
              return vim.fn.fnamemodify(
                  vim.api.nvim_buf_get_name(vim.api.nvim_get_current_buf()),
                  ":t"
              )
          end,
        }
        -- END: Lua Config
      '';
  };
}