standalone.nix

default_pkgs:
{
  modules,
  self,
  getHelpers,
}:
{
  pkgs ? default_pkgs,
  extraSpecialArgs ? { },
  _nixvimTests ? false,
  module,
}:
let
  inherit (pkgs) lib;

  helpers = getHelpers pkgs _nixvimTests;
  shared = import ./_shared.nix { inherit modules helpers; } {
    inherit pkgs lib;
    config = { };
  };

  mkEval =
    mod:
    lib.evalModules {
      modules = [
        mod
        { wrapRc = true; }
      ] ++ shared.topLevelModules;
      specialArgs = {
        inherit helpers;
      } // extraSpecialArgs;
    };

  handleAssertions =
    config:
    let
      failedAssertions = map (x: x.message) (lib.filter (x: !x.assertion) config.assertions);
    in
    if failedAssertions != [ ] then
      throw "\nFailed assertions:\n${builtins.concatStringsSep "\n" (map (x: "- ${x}") failedAssertions)}"
    else
      lib.showWarnings config.warnings config;

  mkNvim =
    mod:
    let
      evaledModule = mkEval mod;
      config = handleAssertions evaledModule.config;
    in
    (pkgs.symlinkJoin {
      name = "nixvim";
      paths = [
        config.finalPackage
        config.printInitPackage
      ] ++ pkgs.lib.optional config.enableMan self.packages.${pkgs.system}.man-docs;
      meta.mainProgram = "nvim";
    })
    // {
      inherit config;
      inherit (evaledModule) options;
      nixvimExtend =
        extension:
        mkNvim {
          imports = [
            mod
            extension
          ];
        };
    };
in
mkNvim module