nix-community.nixvim/plugins/utils/illuminate.nix

{
  lib,
  helpers,
  config,
  pkgs,
  ...
}:
with lib; let
  cfg = config.plugins.illuminate;

  mkListStr = helpers.defaultNullOpts.mkNullable (types.listOf types.str);

  commonOptions = with helpers.defaultNullOpts; {
    providers = mkListStr ''["lsp" "treesitter" "regex"]'' ''
      Provider used to get references in the buffer, ordered by priority.
    '';

    delay = mkInt 100 ''
      Delay in milliseconds.
    '';

    modesDenylist = mkListStr "[]" ''
      Modes to not illuminate, this overrides `modes_allowlist`.
      See `:help mode()` for possible values.
    '';

    modesAllowlist = mkListStr "[]" ''
      Modes to illuminate, this is overridden by `modes_denylist`.
      See `:help mode()` for possible values.
    '';

    providersRegexSyntaxDenylist = mkListStr "[]" ''
      Syntax to not illuminate, this overrides `providers_regex_syntax_allowlist`.
      Only applies to the 'regex' provider.
      Use `:echo synIDattr(synIDtrans(synID(line('.'), col('.'), 1)), 'name')`.
    '';

    providersRegexSyntaxAllowlist = mkListStr "[]" ''
      Syntax to illuminate, this is overridden by `providers_regex_syntax_denylist`.
      Only applies to the 'regex' provider.
      Use `:echo synIDattr(synIDtrans(synID(line('.'), col('.'), 1)), 'name')`.
    '';

    underCursor = mkBool true ''
      Whether or not to illuminate under the cursor.
    '';

    largeFileCutoff = helpers.mkNullOrOption types.int ''
      Number of lines at which to use `large_file_config`.
      The `under_cursor` option is disabled when this cutoff is hit.
    '';

    minCountToHighlight = mkInt 1 ''
      Minimum number of matches required to perform highlighting.
    '';
  };

  filetypeOptions = {
    filetypesDenylist = mkListStr ''["dirvish" "fugitive"]'' ''
      Filetypes to not illuminate, this overrides `filetypes_allowlist`.
    '';

    filetypesAllowlist = mkListStr "[]" ''
      Filetypes to illuminate, this is overridden by `filetypes_denylist`.
    '';
  };
in {
  options.plugins.illuminate = with helpers;
  with defaultNullOpts;
    helpers.neovim-plugin.extraOptionsOptions
    // {
      enable = mkEnableOption "vim-illuminate";

      package = mkPackageOption "vim-illuminate" pkgs.vimPlugins.vim-illuminate;

      filetypeOverrides =
        helpers.defaultNullOpts.mkNullable
        (with types; attrsOf (submodule {options = commonOptions;}))
        "{}"
        ''
          Filetype specific overrides.
          The keys are strings to represent the filetype.
        '';

      largeFileOverrides = mkOption {
        type = types.submodule {
          options = commonOptions // filetypeOptions;
        };
        description = ''
          Config to use for large files (based on large_file_cutoff).
          Supports the same keys passed to .configure
          If null, illuminate will be disabled for large files.
        '';
        default = {};
      };
    }
    // commonOptions
    // filetypeOptions;

  config = let
    filetypeSetupOptions = filetypeOptions:
      with filetypeOptions; {
        filetypes_denylist = filetypesDenylist;
        filetypes_allowlist = filetypesAllowlist;
      };
    commonSetupOptions = opts:
      with opts; {
        inherit providers;
        inherit delay;
        modes_denylist = modesDenylist;
        modes_allowlist = modesAllowlist;
        providers_regex_syntax_denylist = providersRegexSyntaxDenylist;
        providers_regex_syntax_allowlist = providersRegexSyntaxAllowlist;
        under_cursor = underCursor;
        large_file_cutoff = largeFileCutoff;
        min_count_to_highlight = minCountToHighlight;
      };
    setupOptions = with cfg;
      {
        large_file_overrides = (commonSetupOptions largeFileOverrides) // (filetypeSetupOptions largeFileOverrides);

        filetype_overrides =
          helpers.ifNonNull' filetypeOverrides
          (
            mapAttrs
            (_: commonSetupOptions)
            filetypeOverrides
          );
      }
      // (filetypeSetupOptions cfg)
      // (commonSetupOptions cfg);
  in
    mkIf cfg.enable {
      extraPlugins = [cfg.package];

      extraConfigLua = ''
        require("illuminate").configure(${helpers.toLuaObject setupOptions})
      '';
    };
}