feat: migrating neovim

home-manager/modules/neovim/plugins/bufferline.nix

@@ -0,0 +1,231 @@
+{...}: {
+  programs.nixvim = {
+    plugins.bufferline = let
+      mouse = {
+        right =
+          # lua
+          "'vertical sbuffer %d'";
+        close =
+          # lua
+          ''
+            function(bufnum)
+              require("mini.bufremove").delete(bufnum)
+            end
+          '';
+      };
+    in {
+      enable = true;
+
+      settings = {
+        options = {
+          mode = "buffers";
+          always_show_bufferline = true;
+          buffer_close_icon = "󰅖";
+          close_command.__raw = mouse.close;
+          close_icon = "";
+          diagnostics = "nvim_lsp";
+          diagnostics_indicator =
+            # lua
+            ''
+              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 "" )
+                  if(sym ~= "") then
+                    s = s .. " " .. n .. sym
+                  end
+                end
+                return s
+              end
+            '';
+          # Will make sure all names in bufferline are unique
+          enforce_regular_tabs = false;
+
+          groups = {
+            options = {
+              toggle_hidden_on_enter = true;
+            };
+
+            items = [
+              {
+                name = "Tests";
+                highlight = {
+                  underline = true;
+                  fg = "#a6da95";
+                  sp = "#494d64";
+                };
+                priority = 2;
+                # icon = "";
+                matcher.__raw =
+                  # lua
+                  ''
+                    function(buf)
+                      return buf.name:match('%test') or buf.name:match('%.spec')
+                    end
+                  '';
+              }
+              {
+                name = "Docs";
+                highlight = {
+                  undercurl = true;
+                  fg = "#ffffff";
+                  sp = "#494d64";
+                };
+                auto_close = false;
+                matcher.__raw =
+                  # lua
+                  ''
+                    function(buf)
+                      return buf.name:match('%.md') or buf.name:match('%.txt')
+                    end
+                  '';
+              }
+            ];
+          };
+
+          indicator = {
+            style = "icon";
+            icon = "▎";
+          };
+
+          left_trunc_marker = "";
+          max_name_length = 18;
+          max_prefix_length = 15;
+          modified_icon = "●";
+
+          numbers.__raw =
+            # lua
+            ''
+              function(opts)
+                return string.format('%s·%s', opts.raise(opts.id), opts.lower(opts.ordinal))
+              end
+            '';
+
+          persist_buffer_sort = true;
+          right_mouse_command.__raw = mouse.right;
+          right_trunc_marker = "";
+          separator_style = "slant";
+          show_buffer_close_icons = true;
+          show_buffer_icons = true;
+          show_close_icon = true;
+          show_tab_indicators = true;
+          sort_by = "extension";
+          tab_size = 18;
+
+          offsets = [
+            {
+              filetype = "neo-tree";
+              text = "File Explorer";
+              text_align = "center";
+              highlight = "Directory";
+            }
+          ];
+        };
+
+        # NOTE: fixes colorscheme with transparent_background
+        # and better contrast selected tabs
+        highlights = let
+          commonBgColor = "#363a4f";
+          commonFgColor = "#1e2030";
+
+          commonSelectedAttrs = {
+            bg = commonBgColor;
+          };
+
+          # Define a set with common selected attributes
+          selectedAttrsSet = builtins.listToAttrs (
+            map
+            (name: {
+              inherit name;
+              value = commonSelectedAttrs;
+            })
+            [
+              # "separator_selected" # Handled uniquely
+              "buffer_selected"
+              "tab_selected"
+              "numbers_selected"
+              "close_button_selected"
+              "duplicate_selected"
+              "modified_selected"
+              "info_selected"
+              "warning_selected"
+              "error_selected"
+              "hint_selected"
+              "diagnostic_selected"
+              "info_diagnostic_selected"
+              "warning_diagnostic_selected"
+              "error_diagnostic_selected"
+              "hint_diagnostic_selected"
+            ]
+          );
+        in
+          # Merge the common selected attributes with the unique attributes
+          selectedAttrsSet
+          // {
+            fill = {
+              bg = commonFgColor;
+            };
+            separator = {
+              fg = commonFgColor;
+            };
+            separator_visible = {
+              fg = commonFgColor;
+            };
+            separator_selected = {
+              bg = commonBgColor;
+              fg = commonFgColor;
+            };
+          };
+      };
+    };
+
+    keymaps = [
+      {
+        mode = "n";
+        key = "<leader>bP";
+        action = ":BufferLineTogglePin<cr>";
+        options = {
+          desc = "Pin buffer toggle";
+          silent = true;
+        };
+      }
+      {
+        mode = "n";
+        key = "<leader>bp";
+        action = ":BufferLinePick<cr>";
+        options = {
+          desc = "Pick Buffer";
+          silent = true;
+        };
+      }
+      {
+        mode = "n";
+        key = "<leader>bsd";
+        action = ":BufferLineSortByDirectory<cr>";
+        options = {
+          desc = "Sort By Directory";
+          silent = true;
+        };
+      }
+      {
+        mode = "n";
+        key = "<leader>bse";
+        action = ":BufferLineSortByExtension<cr>";
+        options = {
+          desc = "Sort By Extension";
+          silent = true;
+        };
+      }
+      {
+        mode = "n";
+        key = "<leader>bsr";
+        action = ":BufferLineSortByRelativeDirectory<cr>";
+        options = {
+          desc = "Sort By Relative Directory";
+          silent = true;
+        };
+      }
+    ];
+  };
+}