neovim-flake/modules/session/nvim-session-manager/config.nix

{
  config,
  lib,
  ...
}: let
  inherit (lib.modules) mkIf mkMerge;
  inherit (lib.lists) optionals;
  inherit (lib.strings) concatStringsSep;
  inherit (lib.trivial) boolToString;
  inherit (lib.nvim.binds) mkBinding;
  inherit (lib.nvim.dag) entryAnywhere;

  cfg = config.vim.session.nvim-session-manager;
in {
  config = mkIf cfg.enable {
    vim = {
      startPlugins =
        [
          "nvim-session-manager"
          "plenary-nvim"
        ]
        ++ optionals (cfg.usePicker) ["dressing-nvim"];

      maps.normal = mkMerge [
        (mkBinding cfg.mappings.loadSession ":SessionManager load_session<CR>" "Load session")
        (mkBinding cfg.mappings.deleteSession ":SessionManager delete_session<CR>" "Delete session")
        (mkBinding cfg.mappings.saveCurrentSession ":SessionManager save_current_session<CR>" "Save current session")
        (mkBinding cfg.mappings.loadLastSession ":SessionManager load_last_session<CR>" "Load last session")
        # TODO: load_current_dir_session
      ];

      luaConfigRC.nvim-session-manager = entryAnywhere ''
        local Path = require('plenary.path')
        local sm = require('session_manager.config')
        require('session_manager').setup({
          sessions_dir = Path:new(vim.fn.stdpath('data'), 'sessions'),

          path_replacer = '${toString cfg.pathReplacer}',

          colon_replacer = '${toString cfg.colonReplacer}',

          autoload_mode = sm.AutoloadMode.${toString cfg.autoloadMode},

          autosave_last_session = ${boolToString cfg.autoSave.lastSession},

          autosave_ignore_not_normal = ${boolToString cfg.autoSave.ignoreNotNormal},

          autosave_ignore_dirs = {${concatStringsSep ", " (map (x: "\'" + x + "\'") cfg.autoSave.ignoreDirs)}},

          autosave_ignore_filetypes = {${concatStringsSep ", " (map (x: "\'" + x + "\'") cfg.autoSave.ignoreFiletypes)}},

          autosave_ignore_buftypes = {${concatStringsSep ", " (map (x: "\'" + x + "\'") cfg.autoSave.ignoreBufTypes)}},

          autosave_only_in_session = ${boolToString cfg.autoSave.onlyInSession},
          max_path_length = ${toString cfg.maxPathLength},
        })
      '';
    };
  };
}