nvim: define variables in the narrowest possible scope

config/nvim/lua/fschauen/plugins/comment.lua

@@ -1,15 +1,16 @@
-local icon = require("fschauen.util.icons").ui.Comment
-
 return {
   "tpope/vim-commentary",
 
   cmd = "Commentary",
 
-  keys = {
+  keys = function()
-    -- stylua: ignore start
+    local icon = require("fschauen.util.icons").ui.Comment
-    { "gc",  "<Plug>Commentary", mode = {"n", "x", "o"}, desc = icon.." Comment in/out" },
+    return {
-    { "gcc", "<Plug>CommentaryLine",                     desc = icon.." Comment in/out line" },
+      -- stylua: ignore start
-    { "gcu", "<Plug>Commentary<Plug>Commentary",         desc = icon.." Undo comment in/out" },
+      { "gc",  "<Plug>Commentary", mode = {"n", "x", "o"}, desc = icon.." Comment in/out" },
-    -- stylua: ignore end
+      { "gcc", "<Plug>CommentaryLine",                     desc = icon.." Comment in/out line" },
-  },
+      { "gcu", "<Plug>Commentary<Plug>Commentary",         desc = icon.." Undo comment in/out" },
+      -- stylua: ignore end
+    }
+  end,
 }

config/nvim/lua/fschauen/plugins/dial.lua

@@ -1,55 +1,57 @@
----Create a right hand side for `dial` key maps.
----@param cmd string: name of a function from `dial.map`.
----@param suffix? string: keys to add after `dial`s mapping.
----@return function
-local dial_cmd = function(cmd, suffix)
-  suffix = suffix or ""
-  return function() return require("dial.map")[cmd]() .. suffix end
-end
-
----Make a new augend that cycles over the given elements.
----@param elements string[]: the elements to cycle.
----@return table: @see `dial.types.Augend`
-local cyclic_augend = function(elements)
-  return require("dial.augend").constant.new {
-    elements = elements,
-    word = true,
-    cyclic = true,
-  }
-end
-
-local weekdays = {
-  "Monday",
-  "Tuesday",
-  "Wednesday",
-  "Thursday",
-  "Friday",
-  "Saturday",
-  "Sunday",
-}
-
-local weekdays_short = vim.tbl_map(function(s) return s:sub(1, 3) end, weekdays)
-
-local ui = require("fschauen.util.icons").ui
-local inc, dec = ui.Increment, ui.Decrement
-
 return {
   "monaqa/dial.nvim",
 
-  keys = {
+  keys = function()
-    -- stylua: ignore start
+    ---Create a right hand side for `dial` key maps.
-    { "<c-a>", dial_cmd("inc_normal"),         expr = true, desc = inc.." Increment" },
+    ---@param cmd string: name of a function from `dial.map`.
-    { "<c-x>", dial_cmd("dec_normal"),         expr = true, desc = dec.." Decrement" },
+    ---@param suffix? string: keys to add after `dial`s mapping.
+    ---@return function
+    local dial_cmd = function(cmd, suffix)
+      suffix = suffix or ""
+      return function() return require("dial.map")[cmd]() .. suffix end
+    end
 
-    { "<c-a>", dial_cmd("inc_visual", "gv"),   expr = true, desc = inc.." Increment", mode = "v" },
+    local icons = require("fschauen.util.icons")
-    { "<c-x>", dial_cmd("dec_visual", "gv"),   expr = true, desc = dec.." Decrement", mode = "v" },
+    local inc, dec = icons.ui.Increment, icons.ui.Decrement
 
-    { "g<c-a>", dial_cmd("inc_gvisual", "gv"), expr = true, desc = inc.." Increment", mode = "v" },
+    return {
-    { "g<c-x>", dial_cmd("dec_gvisual", "gv"), expr = true, desc = dec.." Decrement", mode = "v" },
+      -- stylua: ignore start
-    -- stylua: ignore end
+      { "<c-a>", dial_cmd("inc_normal"),         expr = true, desc = inc.." Increment" },
-  },
+      { "<c-x>", dial_cmd("dec_normal"),         expr = true, desc = dec.." Decrement" },
+
+      { "<c-a>", dial_cmd("inc_visual", "gv"),   expr = true, desc = inc.." Increment", mode = "v" },
+      { "<c-x>", dial_cmd("dec_visual", "gv"),   expr = true, desc = dec.." Decrement", mode = "v" },
+
+      { "g<c-a>", dial_cmd("inc_gvisual", "gv"), expr = true, desc = inc.." Increment", mode = "v" },
+      { "g<c-x>", dial_cmd("dec_gvisual", "gv"), expr = true, desc = dec.." Decrement", mode = "v" },
+      -- stylua: ignore end
+    }
+  end,
 
   config = function()
+    ---Make a new augend that cycles over the given elements.
+    ---@param elements string[]: the elements to cycle.
+    ---@return table: @see `dial.types.Augend`
+    local cycle = function(elements)
+      return require("dial.augend").constant.new {
+        elements = elements,
+        word = true,
+        cyclic = true,
+      }
+    end
+
+    local weekdays = {
+      "Monday",
+      "Tuesday",
+      "Wednesday",
+      "Thursday",
+      "Friday",
+      "Saturday",
+      "Sunday",
+    }
+
+    local weekdays_short = vim.tbl_map(function(s) return s:sub(1, 3) end, weekdays)
+
     local augend = require("dial.augend")
     require("dial.config").augends:register_group {
       default = {
@@ -61,8 +63,8 @@ return {
         augend.date.alias["%Y-%m-%d"],
         augend.date.alias["%d/%m/%Y"],
         augend.date.alias["%d.%m.%Y"],
-        cyclic_augend(weekdays),
+        cycle(weekdays),
-        cyclic_augend(weekdays_short),
+        cycle(weekdays_short),
       },
     }
   end,

config/nvim/lua/fschauen/plugins/fugitive.lua

@@ -1,14 +1,15 @@
-local icon = require("fschauen.util.icons").ui.Git
-
 return {
   "tpope/vim-fugitive",
 
   cmd = { "G", "Git" },
 
-  keys = {
+  keys = function()
-    -- stylua: ignore start
+    local icon = require("fschauen.util.icons").ui.Git
-    { "<leader>gS", "<cmd>tab Git<cr>",   desc = icon.." [S]status (fugitive)" },
+    return {
-    { "<leader>gb", "<cmd>Git blame<cr>", desc = icon.." [b]lame (fugitive)" },
+      -- stylua: ignore start
-    -- stylua: ignore end
+      { "<leader>gS", "<cmd>tab Git<cr>",   desc = icon.." [S]status (fugitive)" },
-  },
+      { "<leader>gb", "<cmd>Git blame<cr>", desc = icon.." [b]lame (fugitive)" },
+      -- stylua: ignore end
+    }
+  end,
 }

config/nvim/lua/fschauen/plugins/git-messenger.lua

@@ -1,14 +1,16 @@
-local icon = require("fschauen.util.icons").ui.Git
 return {
   "rhysd/git-messenger.vim",
 
   cmd = "GitMessenger",
 
-  keys = {
+  keys = function()
-    -- stylua: ignore start
+    local icon = require("fschauen.util.icons").ui.Git
-    { "<leader>gm", "<cmd>GitMessenger<cr>", desc = icon.." [g]it [m]essenger" },
+    return {
-    -- stylua: ignore end
+      -- stylua: ignore start
-  },
+      { "<leader>gm", "<cmd>GitMessenger<cr>", desc = icon.." [g]it [m]essenger" },
+      -- stylua: ignore end
+    }
+  end,
 
   init = function()
     -- Disable default mappings, as I have my own for lazy-loading.

config/nvim/lua/fschauen/plugins/gitlinker.lua

@@ -1,41 +1,42 @@
-local open_repo = function()
-  require("gitlinker").get_repo_url {
-    action_callback = require("gitlinker.actions").open_in_browser,
-  }
-end
-
-local browser = function(mode)
-  return function()
-    require("gitlinker").get_buf_range_url(mode, {
-      action_callback = require("gitlinker.actions").open_in_browser,
-    })
-  end
-end
-
-local clipboard = function(mode)
-  return function()
-    require("gitlinker").get_buf_range_url(mode, {
-      action_callback = require("gitlinker.actions").copy_to_clipboard,
-    })
-  end
-end
-
-local icon = require("fschauen.util.icons").ui.Git
-
 return {
   "ruifm/gitlinker.nvim",
 
   dependencies = "nvim-lua/plenary.nvim",
 
-  keys = {
+  keys = function()
-    -- stylua: ignore start
+    local open_repo = function()
-    { "<leader>gr", open_repo,      desc = icon.." open [r]epository in browser" },
+      require("gitlinker").get_repo_url {
-    { "<leader>gl", clipboard("n"), desc = icon.." copy perma[l]ink to clipboard" },
+        action_callback = require("gitlinker.actions").open_in_browser,
-    { "<leader>gl", clipboard("v"), desc = icon.." copy perma[l]ink to clipboard", mode = "v" },
+      }
-    { "<leader>gL", browser("n"),   desc = icon.." open perma[L]ink in browser" },
+    end
-    { "<leader>gL", browser("v"),   desc = icon.." open perma[L]ink in browser", mode = "v" },
+
-    -- stylua: ignore end
+    local browser = function(mode)
-  },
+      return function()
+        require("gitlinker").get_buf_range_url(mode, {
+          action_callback = require("gitlinker.actions").open_in_browser,
+        })
+      end
+    end
+
+    local clipboard = function(mode)
+      return function()
+        require("gitlinker").get_buf_range_url(mode, {
+          action_callback = require("gitlinker.actions").copy_to_clipboard,
+        })
+      end
+    end
+
+    local icon = require("fschauen.util.icons").ui.Git
+    return {
+      -- stylua: ignore start
+      { "<leader>gr", open_repo,      desc = icon.." open [r]epository in browser" },
+      { "<leader>gl", clipboard("n"), desc = icon.." copy perma[l]ink to clipboard" },
+      { "<leader>gl", clipboard("v"), desc = icon.." copy perma[l]ink to clipboard", mode = "v" },
+      { "<leader>gL", browser("n"),   desc = icon.." open perma[L]ink in browser" },
+      { "<leader>gL", browser("v"),   desc = icon.." open perma[L]ink in browser", mode = "v" },
+      -- stylua: ignore end
+    }
+  end,
 
   -- This really does need to be a function, because we need to defer requiring
   -- the `gitlinker.hosts` module until after the plugin is loaded.

config/nvim/lua/fschauen/plugins/nerdy.lua

@@ -1,6 +1,3 @@
-local helper = require("fschauen.plugins.telescope").keymap_helper
-local lhs, desc = helper.lhs, helper.description
-
 return {
   "2kabhishek/nerdy.nvim",
 
@@ -11,7 +8,11 @@ return {
     "nvim-telescope/telescope.nvim",
   },
 
-  keys = {
+  keys = function()
-    { lhs("i"), "<cmd>Nerdy<cr>", desc = desc("Nerd [i]cons") },
+    local helper = require("fschauen.plugins.telescope").keymap_helper
-  },
+    local lhs, desc = helper.lhs, helper.description
+    return {
+      { lhs("i"), "<cmd>Nerdy<cr>", desc = desc("Nerd [i]cons") },
+    }
+  end,
 }

config/nvim/lua/fschauen/plugins/nvim-lint.lua

@@ -1,15 +1,15 @@
-local icon = require("fschauen.util.icons").ui.Lint
-
 return {
   "mfussenegger/nvim-lint",
 
-  keys = {
+  keys = function()
-    {
+    return {
-      "<leader>L",
+      {
-      function() require("lint").try_lint() end,
+        "<leader>L",
-      desc = icon .. " [L]int file",
+        function() require("lint").try_lint() end,
-    },
+        desc = require("fschauen.util.icons").ui.Lint .. " [L]int file",
-  },
+      },
+    }
+  end,
 
   config = function()
     require("lint").linters_by_ft = {

config/nvim/lua/fschauen/plugins/nvim-notify.lua

@@ -1,32 +1,34 @@
-local helper = require("fschauen.plugins.telescope").keymap_helper
-local lhs, desc = helper.lhs, helper.description
-
-local telescope_notifications = function()
-  local telescope = vim.F.npcall(require, "telescope")
-  if not telescope then
-    vim.notify("Telescope is not installed!", vim.log.levels.WARN)
-    return
-  end
-
-  local theme = require("telescope.themes").get_dropdown {
-    results_title = "  Results  ",
-    prompt_title = "    Notifications  ",
-  }
-  telescope.load_extension("notify").notify(theme)
-end
-
-local dismiss_notifications = function() require("notify").dismiss() end
-
 return {
   "rcarriga/nvim-notify",
 
-  keys = {
+  keys = function()
-    -- stylua: ignore start
+    local telescope_notifications = function()
-    { "<leader>n", "<cmd>Notifications<cr>",  desc = "Display notification history" },
+      local telescope = vim.F.npcall(require, "telescope")
-    { "<c-q>",     dismiss_notifications,     desc = "Dismiss notifications" },
+      if not telescope then
-    { lhs("n"),    telescope_notifications,   desc = desc("[n]otifications") },
+        vim.notify("Telescope is not installed!", vim.log.levels.WARN)
-    -- stylua: ignore end
+        return
-  },
+      end
+
+      local theme = require("telescope.themes").get_dropdown {
+        results_title = "  Results  ",
+        prompt_title = "    Notifications  ",
+      }
+      telescope.load_extension("notify").notify(theme)
+    end
+
+    local dismiss_notifications = function() require("notify").dismiss() end
+
+    local helper = require("fschauen.plugins.telescope").keymap_helper
+    local lhs, desc = helper.lhs, helper.description
+
+    return {
+      -- stylua: ignore start
+      { "<leader>n", "<cmd>Notifications<cr>",  desc = "Display notification history" },
+      { "<c-q>",     dismiss_notifications,     desc = "Dismiss notifications" },
+      { lhs("n"),    telescope_notifications,   desc = desc("[n]otifications") },
+      -- stylua: ignore end
+    }
+  end,
 
   lazy = false,
 

config/nvim/lua/fschauen/plugins/openbrowser.lua

@@ -1,5 +1,3 @@
-local icon = require("fschauen.util.icons").ui.Web
-
 return {
   "tyru/open-browser.vim",
 
@@ -9,14 +7,17 @@ return {
     "OpenBrowserSmartSearch",
   },
 
-  keys = {
+  keys = function()
-    {
+    local icon = require("fschauen.util.icons").ui.Web
-      "<leader>o",
+    return {
-      "<Plug>(openbrowser-smart-search)",
+      {
-      desc = icon .. " [o]pen URL under cursor or search the web",
+        "<leader>o",
-      mode = { "n", "v" },
+        "<Plug>(openbrowser-smart-search)",
-    },
+        desc = icon .. " [o]pen URL under cursor or search the web",
-  },
+        mode = { "n", "v" },
+      },
+    }
+  end,
 
   init = function() vim.g.openbrowser_default_search = "duckduckgo" end,
 }

config/nvim/lua/fschauen/plugins/plantuml-previewer.lua

@@ -1,5 +1,3 @@
-local icon = require("fschauen.util.icons").ui.Graph
-
 return {
   "weirongxu/plantuml-previewer.vim",
 
@@ -25,6 +23,7 @@ return {
   end,
 
   config = function()
+    local icon = require("fschauen.util.icons").ui.Graph
     local group = vim.api.nvim_create_augroup("fschauen.plantuml", { clear = true })
     vim.api.nvim_create_autocmd("FileType", {
       desc = "Create key map to toggle plantuml preview.",

config/nvim/lua/fschauen/plugins/telescope-file-browser.lua

@@ -1,18 +1,19 @@
-local helper = require("fschauen.plugins.telescope").keymap_helper
-local lhs, desc = helper.lhs, helper.description
-
 return {
   "nvim-telescope/telescope-file-browser.nvim",
 
   dependencies = "nvim-telescope/telescope.nvim",
 
-  keys = {
+  keys = function()
-    {
+    local helper = require("fschauen.plugins.telescope").keymap_helper
-      lhs("B"),
+    local lhs, desc = helper.lhs, helper.description
-      "<cmd>Telescope file_browser theme=ivy<cr>",
+    return {
-      desc = desc("file [B]rowser"),
+      {
-    },
+        lhs("B"),
-  },
+        "<cmd>Telescope file_browser theme=ivy<cr>",
+        desc = desc("file [B]rowser"),
+      },
+    }
+  end,
 
   config = function() require("telescope").load_extension("file_browser") end,
 }

config/nvim/lua/fschauen/plugins/text-case.lua

@@ -1,8 +1,3 @@
-local icon = require("fschauen.util.icons").ui.Text
-local description = icon .. " [c]hange text [c]ase"
-
-local theme = function() return require("telescope.themes").get_cursor() end
-
 return {
   "johmsalas/text-case.nvim",
 
@@ -15,38 +10,44 @@ return {
     "TextCaseStartReplacingCommand",
   },
 
-  keys = {
+  keys = function()
-    {
+    local icon = require("fschauen.util.icons").ui.Text
-      "<leader>cc",
+    local description = icon .. " [c]hange text [c]ase"
-      function() require("telescope").extensions.textcase.normal_mode(theme()) end,
+    local theme = function() return require("telescope.themes").get_cursor() end
-      mode = "n",
-      desc = description,
-    },
 
-    --[[
+    return {
+      {
+        "<leader>cc",
+        function() require("telescope").extensions.textcase.normal_mode(theme()) end,
+        mode = "n",
+        desc = description,
+      },
 
-    Ideally this would be the mapping for visual mode, but it doesn't work
+      --[[
-    due to bugs in textcase.
 
-    {
+      Ideally this would be the mapping for visual mode, but it doesn't work
-      "<leader>cc",
+      due to bugs in textcase.
-      function()
-        require("telescope").extensions.textcase.visual_mode(theme())
-      end,
-      mode = "v",
-      desc = description,
-    },
 
-    The mapping below works, but I can't set the theme to `cursor`.
+      {
+        "<leader>cc",
+        function()
+          require("telescope").extensions.textcase.visual_mode(theme())
+        end,
+        mode = "v",
+        desc = description,
+      },
 
-    --]]
+      The mapping below works, but I can't set the theme to `cursor`.
-    {
+
-      "<leader>cc",
+      --]]
-      "<cmd>TextCaseOpenTelescope<cr>",
+      {
-      mode = "v",
+        "<leader>cc",
-      desc = description,
+        "<cmd>TextCaseOpenTelescope<cr>",
-    },
+        mode = "v",
-  },
+        desc = description,
+      },
+    }
+  end,
 
   config = function()
     require("textcase").setup {

config/nvim/lua/fschauen/plugins/todo-comments.lua

@@ -1,8 +1,3 @@
-local ui = require("fschauen.util.icons").ui
-
-local helper = require("fschauen.plugins.telescope").keymap_helper
-local lhs, desc = helper.lhs, helper.description
-
 return {
   "folke/todo-comments.nvim",
 
@@ -13,25 +8,32 @@ return {
 
   event = { "BufReadPost", "BufNewFile" },
 
-  keys = {
+  keys = function()
-    { lhs("t"), "<cmd>TodoTelescope<cr>", desc = desc("[t]odos") },
+    local helper = require("fschauen.plugins.telescope").keymap_helper
-  },
+    local lhs, desc = helper.lhs, helper.description
+    return {
+      { lhs("t"), "<cmd>TodoTelescope<cr>", desc = desc("[t]odos") },
+    }
+  end,
 
-  opts = {
+  opts = function()
-    keywords = {
+    local ui = require("fschauen.util.icons").ui
-      TODO = { icon = ui.Checkbox },
+    return {
-      FIX = { icon = ui.Bug },
+      keywords = {
-      HACK = { icon = ui.Fire },
+        TODO = { icon = ui.Checkbox },
-      WARN = { icon = ui.Warning },
+        FIX = { icon = ui.Bug },
-      PERF = { icon = ui.Gauge },
+        HACK = { icon = ui.Fire },
-      NOTE = { icon = ui.Note },
+        WARN = { icon = ui.Warning },
-      TEST = { icon = ui.TestTube },
+        PERF = { icon = ui.Gauge },
-    },
+        NOTE = { icon = ui.Note },
-    gui_style = { fg = "bold" },
+        TEST = { icon = ui.TestTube },
-    highlight = {
+      },
-      multiline = false,
+      gui_style = { fg = "bold" },
-      keyword = "wide_fg",
+      highlight = {
-      after = "",
+        multiline = false,
-    },
+        keyword = "wide_fg",
-  },
+        after = "",
+      },
+    }
+  end,
 }

config/nvim/lua/fschauen/plugins/treesitter.lua

@@ -1,5 +1,3 @@
-local icon = require("fschauen.util.icons").ui.Tree
-
 return {
   "nvim-treesitter/nvim-treesitter",
 
@@ -15,13 +13,17 @@ return {
 
   event = "VeryLazy",
 
-  keys = {
+  keys = function()
-    -- stylua: ignore start
+    local icon = require("fschauen.util.icons").ui.Tree
-    { "<leader>Tp", "<cmd>TSPlaygroundToggle<cr>",             desc = icon.." [T]reesitter [p]layground (toggle)" },
+
-    { "<leader>Th", "<cmd>TSHighlightCapturesUnderCursor<cr>", desc = icon.." [T]reesitter [h]ighlights" },
+    return {
-    { "<leader>Tn", "<cmd>TSNodeUnderCursor<cr>",              desc = icon.." [T]reesitter [n]ode under cursor" },
+      -- stylua: ignore start
-    -- stylua: ignore end
+      { "<leader>Tp", "<cmd>TSPlaygroundToggle<cr>",             desc = icon.." [T]reesitter [p]layground (toggle)" },
-  },
+      { "<leader>Th", "<cmd>TSHighlightCapturesUnderCursor<cr>", desc = icon.." [T]reesitter [h]ighlights" },
+      { "<leader>Tn", "<cmd>TSNodeUnderCursor<cr>",              desc = icon.." [T]reesitter [n]ode under cursor" },
+      -- stylua: ignore end
+    }
+  end,
 
   config = function()
     require("nvim-treesitter.configs").setup {

config/nvim/lua/fschauen/plugins/trouble.lua

@@ -1,16 +1,18 @@
-local icon = require("fschauen.util.icons").ui.TrafficLight
 return {
   "folke/trouble.nvim",
 
   dependencies = "nvim-tree/nvim-web-devicons",
 
-  keys = {
+  keys = function()
-    -- stylua: ignore start
+    local icon = require("fschauen.util.icons").ui.TrafficLight
-    { "<leader>lt", "<cmd>TroubleToggle<cr>",                       desc = icon.." trouble [t]toggle" },
+    return {
-    { "<leader>lw", "<cmd>TroubleToggle workspace_diagnostics<cr>", desc = icon.." trouble [w]orkspace"  },
+      -- stylua: ignore start
-    { "<leader>ld", "<cmd>TroubleToggle document_diagnostics<cr>",  desc = icon.." trouble [d]ocument"  },
+      { "<leader>lt", "<cmd>TroubleToggle<cr>",                       desc = icon.." trouble [t]toggle" },
-    -- stylua: ignore end
+      { "<leader>lw", "<cmd>TroubleToggle workspace_diagnostics<cr>", desc = icon.." trouble [w]orkspace"  },
-  },
+      { "<leader>ld", "<cmd>TroubleToggle document_diagnostics<cr>",  desc = icon.." trouble [d]ocument"  },
+      -- stylua: ignore end
+    }
+  end,
 
   opts = {
     padding = false, -- don't add an extra new line of top of the list

config/nvim/lua/fschauen/plugins/undotree.lua

@@ -1,5 +1,3 @@
-local icon = require("fschauen.util.icons").ui.Undo
-
 return {
   "mbbill/undotree",
 
@@ -13,7 +11,10 @@ return {
     vim.g.undotree_TreeReturnShape = "╲"
   end,
 
-  keys = {
+  keys = function()
-    { "<leader>u", "<cmd>UndotreeToggle<cr>", desc = icon .. " toggle [u]ndo tree" },
+    local icon = require("fschauen.util.icons").ui.Undo
-  },
+    return {
+      { "<leader>u", "<cmd>UndotreeToggle<cr>", desc = icon .. " toggle [u]ndo tree" },
+    }
+  end,
 }

config/nvim/lua/fschauen/plugins/virt-column.lua

@@ -1,11 +1,3 @@
-local toggle_colorcolumn = function()
-  if vim.o.colorcolumn == "" then
-    vim.o.colorcolumn = "+1" -- one after 'textwidth'
-  else
-    vim.o.colorcolumn = "" -- none
-  end
-end
-
 local ui = require("fschauen.util.icons").ui
 
 return {
@@ -13,9 +5,19 @@ return {
 
   event = { "BufReadPost", "BufNewFile" },
 
-  keys = {
+  keys = function()
-    { "<leader>sc", toggle_colorcolumn, desc = ui.Toggle .. " toggle virtual colunn" },
+    local toggle_colorcolumn = function()
-  },
+      if vim.o.colorcolumn == "" then
+        vim.o.colorcolumn = "+1" -- one after 'textwidth'
+      else
+        vim.o.colorcolumn = "" -- none
+      end
+    end
+
+    return {
+      { "<leader>sc", toggle_colorcolumn, desc = ui.Toggle .. " toggle virtual colunn" },
+    }
+  end,
 
   opts = {
     char = ui.LineMiddle,

config/nvim/lua/fschauen/plugins/whitespace.lua

@@ -1,5 +1,3 @@
-local icon = require("fschauen.util.icons").ui.Whitespace
-
 return {
   "ntpeters/vim-better-whitespace",
 
@@ -15,12 +13,15 @@ return {
     }
   end,
 
-  keys = {
+  keys = function()
-    -- stylua: ignore start
+    local icon = require("fschauen.util.icons").ui.Whitespace
-    { "<leader>ww", "<cmd>ToggleWhitespace<cr>",        desc = icon.." toggle whitespace"   },
+    return {
-    { "<leader>wj", "<cmd>NextTrailingWhitespace<cr>",  desc = icon.." next whitespace"     },
+      -- stylua: ignore start
-    { "<leader>wk", "<cmd>PrevTrailingWhitespace<cr>",  desc = icon.." previous whitespace" },
+      { "<leader>ww", "<cmd>ToggleWhitespace<cr>",        desc = icon.." toggle whitespace"   },
-    { "<leader>W",  "<cmd>StripWhitespace<cr>",         desc = icon.." strip whitespace"    },
+      { "<leader>wj", "<cmd>NextTrailingWhitespace<cr>",  desc = icon.." next whitespace"     },
-    -- stylua: ignore end
+      { "<leader>wk", "<cmd>PrevTrailingWhitespace<cr>",  desc = icon.." previous whitespace" },
-  },
+      { "<leader>W",  "<cmd>StripWhitespace<cr>",         desc = icon.." strip whitespace"    },
+      -- stylua: ignore end
+    }
+  end,
 }

config/nvim/lua/fschauen/util/icons.lua

@@ -88,7 +88,7 @@ M.ui = {
   Circle                = "●",
   Comment               = "",
   Comments              = "",
-  Decrement             = "",
+  Decrement             = "",    -- 
   Diagnostic            = "",
   EmptyFolder           = "",
   EmptyFolderOpen       = "",
@@ -104,7 +104,7 @@ M.ui = {
   Gauge                 = "󰓅",    -- 
   Git                   = " ",
   Graph                 = "󱁊",
-  Increment             = "",
+  Increment             = "",    -- 
   LineLeft              = "▏",
   LineLeftBold          = "▎",
   LineMiddle            = "│",