add bufferline

config/programs/vim/modules/visual/bufferline.nix

@@ -0,0 +1,72 @@
+{ pkgs, lib, ... }: {
+  vim.keybindings = {
+    keybindings = {
+      "[" = {
+        b = {
+          command = "<cmd>BufferLineCycleNext<CR>";
+          label = "Navigate to next buffer";
+          options.silent = true;
+        };
+      };
+      "]" = {
+        b = {
+          command = "<cmd>BufferLineCyclePrev<CR>";
+          label = "Navigate to previous buffer";
+          options.silent = true;
+        };
+      };
+      "<leader>" = {
+        b = {
+          label = "Buffer commands";
+          d = {
+            command = "<cmd>BufferLineSortByDirectory<CR>";
+            label = "Sort bufferline by directory";
+            options.silent = true;
+          };
+          e = {
+            command = "<cmd>BufferLineSortByExtension<CR>";
+            label = "Sort bufferline by extension";
+            options.silent = true;
+          };
+          "$" = {
+            command = "<cmd>BufferLineGoToBuffer -1<CR>";
+            label = "Go to last buffer";
+            options.silent = true;
+          };
+        } // (lib.attrsets.genAttrs ["0" "1" "2" "3" "4" "5" "6" "7" "8" "9"] (n: {
+          command = "<cmd>BufferLineGoToBuffer ${n}<CR>";
+          label = "Go to buffer ${n}";
+          options.silent = true;
+        }));
+      };
+      g = {
+        b = {
+          command = "<cmd>BufferLinePick<CR>";
+          label = "Go to buffer";
+          options.silent = true;
+        };
+      };
+    };
+  };
+  output.plugins = with pkgs.vimPlugins; [
+    bufferline-nvim
+  ];
+  output.extra_config = ''
+    set termguicolors
+    lua << EOF
+    require("bufferline").setup{
+      diagnostics = "nvim_lsp",
+      diagnostics_indicator = function(count, level, diagnostics_dict, context)
+        local s = " "
+        for e, n in pairs(diagnostics_dict) do
+          local sym = e == "error" and " "
+            or (e == "warning" and " " or "" )
+          s = s .. n .. sym
+        end
+        return s
+      end
+    }
+    EOF
+    '';
+}
+

config/programs/vim/modules/visual/vim-devicons.nix

@@ -0,0 +1,5 @@
+{ pkgs, ... }: {
+  output.plugins = with pkgs.vimPlugins; [
+    vim-web-devicons
+  ];
+}