{ ... }:

let
  t = text: { inherit text; };
  i = jump: text: { inherit jump text; };
  c = jump: nodes: { inherit jump nodes; };
in
{
  plugins.snippet.luasnip.snippetGroups = [
    {
      filetype = "nix";
      snippets = {
        "if".nodes = [
          (t "if ")
          (i 1 "condition")
          (t " then ")
          (i 2 "trueBody")
          (t " else ")
          (i 3 "falseBody")
          (t ";")
        ];
        "var".nodes = [
          (i 1 "name")
          (t " = ")
          (c 2 [
            (i null "value")
            {
              snippet.nodes = [
                { insert = 1; }
                (t "[")
                { insert = 2; }
                (t "]")
              ];
            }
            {
              snippet.nodes = [
                { insert = 1; }
                (t "{")
                { insert = 2; }
                (t "}")
              ];
            }
          ])
          (t ";")
        ];
      };
    }
  ];
}