Neve/config/bufferlines/bufferline.nix

{
  lib,
  config,
  ...
}: {
  options = {
    bufferline = {
      enable = lib.mkEnableOption "Enable bufferline module";

      keymaps = {
        enable = lib.mkOption {
          type = lib.types.bool;
          default = true;
          description = "Enable default keymaps";
        };

        enableHL = lib.mkOption {
          type = lib.types.bool;
          default = true;
          description = "Enable keymaps for switching buffers with h and l";
        };

        enableTab = lib.mkOption {
          type = lib.types.bool;
          default = true;
          description = "Enable keymaps for switching buffers with Tab and S-Tab";
        };
      };
    };
  };
  config = let
    cfg = config.bufferline;
  in
    lib.mkIf cfg.enable {
      plugins = {
        bufferline = {
          enable = true;
          settings = {
            options = {
              separatorStyle = "thick"; # “slant”, “padded_slant”, “slope”, “padded_slope”, “thick”, “thin“
              offsets = [
                {
                  filetype = "neo-tree";
                  text = "Neo-tree";
                  highlight = "Directory";
                  text_align = "left";
                }
              ];
            };
          };
        };
      };
      keymaps =
        lib.mkIf cfg.keymaps.enable
        ([
            {
              mode = "n";
              key = "<leader>bd";
              action = "<cmd>bdelete<cr>";
              options = {
                desc = "Delete buffer";
              };
            }

            {
              mode = "n";
              key = "<leader>bb";
              action = "<cmd>e #<cr>";
              options = {
                desc = "Switch to Other Buffer";
              };
            }

            # {
            #   mode = "n";
            #   key = "<leader>`";
            #   action = "<cmd>e #<cr>";
            #   options = {
            #     desc = "Switch to Other Buffer";
            #   };
            # }

            {
              mode = "n";
              key = "<leader>br";
              action = "<cmd>BufferLineCloseRight<cr>";
              options = {
                desc = "Delete buffers to the right";
              };
            }

            {
              mode = "n";
              key = "<leader>bl";
              action = "<cmd>BufferLineCloseLeft<cr>";
              options = {
                desc = "Delete buffers to the left";
              };
            }

            {
              mode = "n";
              key = "<leader>bo";
              action = "<cmd>BufferLineCloseOthers<cr>";
              options = {
                desc = "Delete other buffers";
              };
            }

            {
              mode = "n";
              key = "<leader>bp";
              action = "<cmd>BufferLineTogglePin<cr>";
              options = {
                desc = "Toggle pin";
              };
            }

            {
              mode = "n";
              key = "<leader>bP";
              action = "<Cmd>BufferLineGroupClose ungrouped<CR>";
              options = {
                desc = "Delete non-pinned buffers";
              };
            }
          ]
          ++ (lib.optionals cfg.keymaps.enableTab [
            {
              mode = "n";
              key = "<Tab>";
              action = "<cmd>BufferLineCycleNext<cr>";
              options = {
                desc = "Cycle to next buffer";
              };
            }

            {
              mode = "n";
              key = "<S-Tab>";
              action = "<cmd>BufferLineCyclePrev<cr>";
              options = {
                desc = "Cycle to previous buffer";
              };
            }
          ])
          ++ (lib.optionals cfg.keymaps.enableHL [
            {
              mode = "n";
              key = "<S-l>";
              action = "<cmd>BufferLineCycleNext<cr>";
              options = {
                desc = "Cycle to next buffer";
              };
            }

            {
              mode = "n";
              key = "<S-h>";
              action = "<cmd>BufferLineCyclePrev<cr>";
              options = {
                desc = "Cycle to previous buffer";
              };
            }
          ]));
    };
}