Additional configuration for whitespace.nvim.

astronvim/lua/user/mappings.lua

@@ -10,6 +10,7 @@ return {
     ["<leader>j"] = { "<cmd>bprevious<cr>", silent = true, desc = "previous buffer" },
     ["<leader>k"] = { "<cmd>bnext<cr>", silent = true, desc = "next buffer" },
     ["<leader>n"] = { '<cmd>set number!<cr><cmd>IndentBlanklineToggle<cr><cmd>execute "set signcolumn=" . (&signcolumn == "yes" ? "no" : "yes")<cr>', silent = true, desc = "toggle decorations" },
+    ["<leader>w"] = { "<cmd>lua require('whitespace-nvim').trim()<cr>", silent = true, desc = "trim trailing whitespaces" },
     ["<leader>x"] = { "<cmd>bd<cr>", silent = true, desc = "close buffer" },
     ["<tab>"] = { "<C-w>w", silent = true },
   },

astronvim/lua/user/plugins/whitespace.lua

@@ -1,5 +1,8 @@
 return {
-  { "johnfrankmorgan/whitespace.nvim",  
+  { "johnfrankmorgan/whitespace.nvim",
     event = "User AstroFile",
+    opts = {
+      highlight = 'SpellBad',
+    },
   },
 }