diff --git a/lib/lua.nix b/lib/lua.nix
index 1d4cdb9..c5c2ae5 100644
--- a/lib/lua.nix
+++ b/lib/lua.nix
@@ -13,7 +13,6 @@
     else "'${value}'";
 
   # convert an expression to lua
-
   expToLua = exp:
     if builtins.isList exp
     then listToLuaTable exp # if list, convert to lua table
diff --git a/modules/ui/breadcrumbs/config.nix b/modules/ui/breadcrumbs/config.nix
index 18e84f0..0d988ca 100644
--- a/modules/ui/breadcrumbs/config.nix
+++ b/modules/ui/breadcrumbs/config.nix
@@ -3,161 +3,165 @@
   lib,
   ...
 }:
-with lib;
 with builtins; let
+  inherit (lib) optionalString boolToString mkIf optionals;
+  inherit (lib.nvim.lua) nullString;
+
   cfg = config.vim.ui.breadcrumbs;
   nb = cfg.navbuddy;
-
-  nilOrStr = v:
-    if v == null
-    then "nil"
-    else toString v;
 in {
   config = mkIf cfg.enable {
     vim.startPlugins =
       [
         "nvim-lspconfig"
       ]
-      ++ lib.optionals (config.vim.lsp.lspsaga.enable && cfg.source == "lspsaga") [
+      ++ optionals (cfg.source == "nvim-navic") [
+        "nvim-navic"
+      ]
+      ++ optionals (config.vim.lsp.lspsaga.enable && cfg.source == "lspsaga") [
         "lspsaga"
       ]
-      ++ lib.optionals (cfg.navbuddy.enable || cfg.source == "nvim-navic") [
+      ++ optionals cfg.navbuddy.enable [
         "nvim-navbuddy"
+        "nui-nvim"
         "nvim-navic"
       ];
 
-    vim.luaConfigRC.breadcrumbs = nvim.dag.entryAfter ["lspconfig"] ''
-      local navbuddy = require("nvim-navbuddy")
-      local navic = require("nvim-navic")
-      local actions = require("nvim-navbuddy.actions")
+    vim.luaConfigRC.breadcrumbs = lib.nvim.dag.entryAfter ["lspconfig"] ''
 
-      require("nvim-navic").setup {
-        highlight = true
-      }
-
-      -- TODO: wrap this in an optional string with navbuddy as the enable condition
-      navbuddy.setup {
-          window = {
-              border = "${nb.window.border}",  -- "rounded", "double", "solid", "none"
-              size = "60%",
-              position = "50%",
-              scrolloff = ${(nilOrStr nb.window.scrolloff)},
-              sections = {
-                  left = {
-                      size = "20%",
-                      border = ${(nilOrStr nb.window.sections.left.border)},
-                  },
-
-                  mid = {
-                      size = "40%",
-                      border = ${(nilOrStr nb.window.sections.mid.border)},
-                  },
-
-                  right = {
-                      border = ${(nilOrStr nb.window.sections.right.border)},
-                      preview = "leaf",
-                  }
-              },
-          },
-          node_markers = {
-              enabled = ${boolToString nb.nodeMarkers.enable},
-              icons = {
-                  leaf = "${nb.nodeMarkers.icons.leaf}",
-                  leaf_selected = "${nb.nodeMarkers.icons.leafSelected}",
-                  branch = "${nb.nodeMarkers.icons.branch}",
-              },
-          },
-
-          lsp = {
-              auto_attach = ${boolToString nb.lsp.autoAttach},
-              -- preference = nil, -- TODO: convert list to lua table if not null
-          },
-
-          source_buffer = {
-              follow_node = ${boolToString nb.sourceBuffer.followNode},
-              highlight = ${boolToString nb.sourceBuffer.highlight},
-              reorient = "${nb.sourceBuffer.reorient}",
-              scrolloff = ${nilOrStr nb.sourceBuffer.scrolloff}
-          },
-
-          icons = {
-              File          = "${cfg.navbuddy.icons.file}",
-              Module        = "${cfg.navbuddy.icons.module}",
-              Namespace     = "${cfg.navbuddy.icons.namespace}",
-              Package       = "${cfg.navbuddy.icons.package}",
-              Class         = "${cfg.navbuddy.icons.class}",
-              Method        = "${cfg.navbuddy.icons.method}",
-              Property      = "${cfg.navbuddy.icons.property}",
-              Field         = "${cfg.navbuddy.icons.field}",
-              Constructor   = "${cfg.navbuddy.icons.constructor}",
-              Enum          = "${cfg.navbuddy.icons.enum}",
-              Interface     = "${cfg.navbuddy.icons.interface}",
-              Function      = "${cfg.navbuddy.icons.function}",
-              Variable      = "${cfg.navbuddy.icons.variable}",
-              Constant      = "${cfg.navbuddy.icons.constant}",
-              String        = "${cfg.navbuddy.icons.string}",
-              Number        = "${cfg.navbuddy.icons.number}",
-              Boolean       = "${cfg.navbuddy.icons.boolean}",
-              Array         = "${cfg.navbuddy.icons.array}",
-              Object        = "${cfg.navbuddy.icons.object}",
-              Key           = "${cfg.navbuddy.icons.key}",
-              Null          = "${cfg.navbuddy.icons.null}",
-              EnumMember    = "${cfg.navbuddy.icons.enumMember}",
-              Struct        = "${cfg.navbuddy.icons.struct}",
-              Event         = "${cfg.navbuddy.icons.event}",
-              Operator      = "${cfg.navbuddy.icons.operator}",
-              TypeParameter = "${cfg.navbuddy.icons.typeParameter}"
-          },
-
-          -- make those configurable
-          use_default_mappings = ${toString (cfg.navbuddy.useDefaultMappings)},
-          mappings = {
-              ["${cfg.navbuddy.mappings.close}"] = actions.close(),
-              ["${cfg.navbuddy.mappings.nextSibling}"] = actions.next_sibling(),
-              ["${cfg.navbuddy.mappings.previousSibling}"] = actions.previous_sibling(),
-              ["${cfg.navbuddy.mappings.close}"] = actions.parent(),
-              ["${cfg.navbuddy.mappings.children}"] = actions.children(),
-              ["${cfg.navbuddy.mappings.root}"] = actions.root(),
-
-              ["${cfg.navbuddy.mappings.visualName}"] = actions.visual_name(),
-              ["${cfg.navbuddy.mappings.visualScope}"] = actions.visual_scope(),
-
-              ["${cfg.navbuddy.mappings.yankName}"] = actions.yank_name(),
-              ["${cfg.navbuddy.mappings.yankScope}"] = actions.yank_scope(),
-
-              ["${cfg.navbuddy.mappings.insertName}"] = actions.insert_name(),
-              ["${cfg.navbuddy.mappings.insertScope}"] = actions.insert_scope(),
-
-              ["${cfg.navbuddy.mappings.appendName}"] = actions.append_name(),
-              ["${cfg.navbuddy.mappings.appendScope}"] = actions.append_scope(),
-
-              ["${cfg.navbuddy.mappings.rename}"] = actions.rename(),
-
-              ["${cfg.navbuddy.mappings.delete}"] = actions.delete(),
-
-              ["${cfg.navbuddy.mappings.foldCreate}"] = actions.fold_create(),
-              ["${cfg.navbuddy.mappings.foldDelete}"] = actions.fold_delete(),
-
-              ["${cfg.navbuddy.mappings.comment}"] = actions.comment(),
-
-              ["${cfg.navbuddy.mappings.select}"] = actions.select(),
-
-              ["${cfg.navbuddy.mappings.moveDown}"] = actions.move_down(),
-              ["${cfg.navbuddy.mappings.moveUp}"] = actions.move_up(),
-
-              ["${cfg.navbuddy.mappings.telescope}"] = actions.telescope({
-                  layout_strategy = "horizontal",
-                  layout_config = {
-                      height = 0.60,
-                      width = 0.75,
-                      prompt_position = "top",
-                      preview_width = 0.50
-                  },
-              }),
-
-              ["${cfg.navbuddy.mappings.help}"] = actions.help(),            -- Open mappings help window
-          },
+      ${optionalString (cfg.source == "nvim-navic") ''
+        local navic = require("nvim-navic")
+        require("nvim-navic").setup {
+          highlight = true
         }
+      ''}
+
+      ${optionalString cfg.navbuddy.enable ''
+        local navbuddy = require("nvim-navbuddy")
+        local actions = require("nvim-navbuddy.actions")
+        navbuddy.setup {
+            window = {
+                border = "${nb.window.border}",  -- "rounded", "double", "solid", "none"
+                size = "60%",
+                position = "50%",
+                scrolloff = ${(nullString nb.window.scrolloff)},
+                sections = {
+                    left = {
+                        size = "20%",
+                        border = ${(nullString nb.window.sections.left.border)},
+                    },
+
+                    mid = {
+                        size = "40%",
+                        border = ${(nullString nb.window.sections.mid.border)},
+                    },
+
+                    right = {
+                        border = ${(nullString nb.window.sections.right.border)},
+                        preview = "leaf",
+                    }
+                },
+            },
+            node_markers = {
+                enabled = ${boolToString nb.nodeMarkers.enable},
+                icons = {
+                    leaf = "${nb.nodeMarkers.icons.leaf}",
+                    leaf_selected = "${nb.nodeMarkers.icons.leafSelected}",
+                    branch = "${nb.nodeMarkers.icons.branch}",
+                },
+            },
+
+            lsp = {
+                auto_attach = ${boolToString nb.lsp.autoAttach},
+                -- preference = nil, -- TODO: convert list to lua table if not null
+            },
+
+            source_buffer = {
+                follow_node = ${boolToString nb.sourceBuffer.followNode},
+                highlight = ${boolToString nb.sourceBuffer.highlight},
+                reorient = "${nb.sourceBuffer.reorient}",
+                scrolloff = ${nullString nb.sourceBuffer.scrolloff}
+            },
+
+            icons = {
+                File          = "${cfg.navbuddy.icons.file}",
+                Module        = "${cfg.navbuddy.icons.module}",
+                Namespace     = "${cfg.navbuddy.icons.namespace}",
+                Package       = "${cfg.navbuddy.icons.package}",
+                Class         = "${cfg.navbuddy.icons.class}",
+                Method        = "${cfg.navbuddy.icons.method}",
+                Property      = "${cfg.navbuddy.icons.property}",
+                Field         = "${cfg.navbuddy.icons.field}",
+                Constructor   = "${cfg.navbuddy.icons.constructor}",
+                Enum          = "${cfg.navbuddy.icons.enum}",
+                Interface     = "${cfg.navbuddy.icons.interface}",
+                Function      = "${cfg.navbuddy.icons.function}",
+                Variable      = "${cfg.navbuddy.icons.variable}",
+                Constant      = "${cfg.navbuddy.icons.constant}",
+                String        = "${cfg.navbuddy.icons.string}",
+                Number        = "${cfg.navbuddy.icons.number}",
+                Boolean       = "${cfg.navbuddy.icons.boolean}",
+                Array         = "${cfg.navbuddy.icons.array}",
+                Object        = "${cfg.navbuddy.icons.object}",
+                Key           = "${cfg.navbuddy.icons.key}",
+                Null          = "${cfg.navbuddy.icons.null}",
+                EnumMember    = "${cfg.navbuddy.icons.enumMember}",
+                Struct        = "${cfg.navbuddy.icons.struct}",
+                Event         = "${cfg.navbuddy.icons.event}",
+                Operator      = "${cfg.navbuddy.icons.operator}",
+                TypeParameter = "${cfg.navbuddy.icons.typeParameter}"
+            },
+
+            -- make those configurable
+            use_default_mappings = ${boolToString cfg.navbuddy.useDefaultMappings},
+            mappings = {
+                ["${cfg.navbuddy.mappings.close}"] = actions.close(),
+                ["${cfg.navbuddy.mappings.nextSibling}"] = actions.next_sibling(),
+                ["${cfg.navbuddy.mappings.previousSibling}"] = actions.previous_sibling(),
+                ["${cfg.navbuddy.mappings.close}"] = actions.parent(),
+                ["${cfg.navbuddy.mappings.children}"] = actions.children(),
+                ["${cfg.navbuddy.mappings.root}"] = actions.root(),
+
+                ["${cfg.navbuddy.mappings.visualName}"] = actions.visual_name(),
+                ["${cfg.navbuddy.mappings.visualScope}"] = actions.visual_scope(),
+
+                ["${cfg.navbuddy.mappings.yankName}"] = actions.yank_name(),
+                ["${cfg.navbuddy.mappings.yankScope}"] = actions.yank_scope(),
+
+                ["${cfg.navbuddy.mappings.insertName}"] = actions.insert_name(),
+                ["${cfg.navbuddy.mappings.insertScope}"] = actions.insert_scope(),
+
+                ["${cfg.navbuddy.mappings.appendName}"] = actions.append_name(),
+                ["${cfg.navbuddy.mappings.appendScope}"] = actions.append_scope(),
+
+                ["${cfg.navbuddy.mappings.rename}"] = actions.rename(),
+
+                ["${cfg.navbuddy.mappings.delete}"] = actions.delete(),
+
+                ["${cfg.navbuddy.mappings.foldCreate}"] = actions.fold_create(),
+                ["${cfg.navbuddy.mappings.foldDelete}"] = actions.fold_delete(),
+
+                ["${cfg.navbuddy.mappings.comment}"] = actions.comment(),
+
+                ["${cfg.navbuddy.mappings.select}"] = actions.select(),
+
+                ["${cfg.navbuddy.mappings.moveDown}"] = actions.move_down(),
+                ["${cfg.navbuddy.mappings.moveUp}"] = actions.move_up(),
+
+                ["${cfg.navbuddy.mappings.telescope}"] = actions.telescope({
+                    layout_strategy = "horizontal",
+                    layout_config = {
+                        height = 0.60,
+                        width = 0.75,
+                        prompt_position = "top",
+                        preview_width = 0.50
+                    },
+                }),
+
+                ["${cfg.navbuddy.mappings.help}"] = actions.help(),            -- Open mappings help window
+            },
+        }
+      ''}
     '';
   };
 }