nixvim-config/plugins/nvim-tree.nix

{ ... }:
{
  programs.nixvim = {

    extraFiles = {
      "lua/treeutils.lua" = {
        source = ./treeutils.lua;
      };
    };

    extraConfigLua = ''
      function _G.launch_find_files_wrapped()
          -- Try custom function first
          local handled = require('treeutils').launch_find_files()

          if handled == "default" then
              -- If custom function didn't handle it, execute default behavior
              local default_key = vim.api.nvim_replace_termcodes('<c-f>', true, true, true)
              vim.api.nvim_feedkeys(default_key, 'n', false)
          end
      end
    '';

    keymaps = [
      ## Go to current buffer's file in nvim-tree
      {
        mode = [ "n" ];
        key = ",n";
        action = ":NvimTreeFindFile<CR>";
      }
      ## Toggle nvim-tree visibility
      {
        mode = [ "n" ];
        key = ",m";
        action = ":NvimTreeToggle<CR>";
      }
      ## Search current path
      {
        mode = [ "n" ];
        key = "<c-f>";
        action = "<cmd>lua launch_find_files_wrapped()<CR>";
        options = { noremap = true; };
      }
      {
        mode = [ "n" ];
        key = "<c-g>";
        action = "<cmd>lua require('treeutils').launch_live_grep()<CR>";
        options = { noremap = true; };
      }
    ];

    plugins.nvim-tree = {
      enable = true;
      actions = {
        removeFile = {
          closeWindow = false;
        };
      };
      ## Keep tree open if already open when opening a tab
      tab = {
        sync = {
          open = true;
          close = true;
        };
      };
      view = {
        width = 30;
      };
      renderer = {
        groupEmpty = true;
      };
      git = {
        enable = true;
        ignore = false;
        timeout = 500;
      };
    };
  };
}