[nvim] make deletion motions not go to system clipboard

nvim/.config/nvim/lua/mappings.lua

@@ -1,78 +1,96 @@
 for _, mappings in pairs({
-    -- {'n', '<c-w>', ':w<cr>'},
-    {'n', '<C-q>', 'ZZ'}, -- write and exit from current buffer
-    {'n', 'Y', 'y$'}, -- do Y to yank till the end of the line
-    -- split and navigate to it
-    {'n', '<up>', ':bn<cr>'},
-    {'n', '<down>', ':bp<cr>'},
-    {'n', '<leader>s', ':split | wincmd j<cr>'},
-    {'n', '<leader>v', ':vsplit | wincmd l<cr>'},
-    {'n', 'zl', 'zo'}, -- remap zl back to zo
-    -- replace selected
-    {'n', 'R', ':%s///gI<left><left><left>'},
-    -- if press 'a' no empty line it should respect indent
-    {'n', 'a', 'len(getline(\'.\')) == 0 ? \'S\' : \'a\'', {expr = true}},
-    -- show last commands list on last item
-    {'n', 'Q', 'q:dd'},
-    -- blink on next match
-    {
-        'n',
-        'n',
-        function()
-            vim.cmd('norm! nzz')
-            vim.opt.hlsearch = true
-            vim.defer_fn(function() vim.opt.hlsearch = false end, 200)
-        end,
-        {noremap = true, remap = true}
-    },
-    {
-        'n',
-        'N',
-        function()
-            vim.cmd('norm! Nzz')
-            vim.opt.hlsearch = true
-            vim.defer_fn(function() vim.opt.hlsearch = false end, 200)
-        end,
-        {noremap = true, remap = true}
-    },
-    {
-        'n',
-        '*',
-        function()
-            vim.cmd('norm! *zz')
-            vim.opt.hlsearch = true
-            vim.defer_fn(function() vim.opt.hlsearch = false end, 200)
-        end,
-        {noremap = true, remap = true}
-    },
-    -- do not yank on x/X
-    {'n', 'x', '"_dl'},
-    {'n', 'X', '"_dh'},
-    -- magic search mappnigs
-    {'n', '/', '/\\v', {noremap = true}},
-    {'v', ':s/', ':s/\\v', {noremap = true}},
-    {'c', '%s/', '%s/\\v', {noremap = true}},
-    {'c', '%s/', '%s/\\v', {noremap = true}},
-    {
-        'n',
-        '<c-a>',
-        function()
-            local word_under_cursor = vim.fn.expand('<cword>')
-            if word_under_cursor == 'true' then
-                vim.cmd('normal ciwfalse')
-                return
-            elseif word_under_cursor == 'false' then
-                vim.cmd('normal ciwtrue')
-                return
-            end
-            vim.cmd('normal! 
')
-        end,
-        {noremap = true}
-    }
+  -- {'n', '<c-w>', ':w<cr>'},
+  { "n", "<C-q>", "ZZ" }, -- write and exit from current buffer
+  { "n", "Y", "y$" }, -- do Y to yank till the end of the line
+  -- split and navigate to it
+  { "n", "<up>", ":bn<cr>" },
+  { "n", "<down>", ":bp<cr>" },
+  { "n", "<leader>s", ":split | wincmd j<cr>" },
+  { "n", "<leader>v", ":vsplit | wincmd l<cr>" },
+  { "n", "zl", "zo" }, -- remap zl back to zo
+  -- replace selected
+  { "n", "R", ":%s///gI<left><left><left>" },
+  -- if press 'a' no empty line it should respect indent
+  { "n", "a", "len(getline('.')) == 0 ? 'S' : 'a'", { expr = true } },
+  -- show last commands list on last item
+  { "n", "Q", "q:dd" },
+  -- blink on next match
+  {
+    "n",
+    "n",
+    function()
+      vim.cmd("norm! nzz")
+      vim.opt.hlsearch = true
+      vim.defer_fn(function()
+        vim.opt.hlsearch = false
+      end, 200)
+    end,
+    { noremap = true, remap = true },
+  },
+  {
+    "n",
+    "N",
+    function()
+      vim.cmd("norm! Nzz")
+      vim.opt.hlsearch = true
+      vim.defer_fn(function()
+        vim.opt.hlsearch = false
+      end, 200)
+    end,
+    { noremap = true, remap = true },
+  },
+  {
+    "n",
+    "*",
+    function()
+      vim.cmd("norm! *zz")
+      vim.opt.hlsearch = true
+      vim.defer_fn(function()
+        vim.opt.hlsearch = false
+      end, 200)
+    end,
+    { noremap = true, remap = true },
+  },
+  -- magic search mappnigs
+  { "n", "/", "/\\v", { noremap = true } },
+  { "v", ":s/", ":s/\\v", { noremap = true } },
+  { "c", "%s/", "%s/\\v", { noremap = true } },
+  { "c", "%s/", "%s/\\v", { noremap = true } },
+  {
+    "n",
+    "<c-a>",
+    function()
+      local word_under_cursor = vim.fn.expand("<cword>")
+      if word_under_cursor == "true" then
+        vim.cmd("normal ciwfalse")
+        return
+      elseif word_under_cursor == "false" then
+        vim.cmd("normal ciwtrue")
+        return
+      end
+      vim.cmd("normal! 
")
+    end,
+    { noremap = true },
+  },
 }) do
-    local mode = mappings[1]
-    local key = mappings[2]
-    local value = mappings[3]
-    local options = mappings[4] or {silent = true}
-    vim.keymap.set(mode, key, value, options)
+  local mode = mappings[1]
+  local key = mappings[2]
+  local value = mappings[3]
+  local options = mappings[4] or { silent = true }
+  vim.keymap.set(mode, key, value, options)
+end
+
+-- Define modes and delete mappings to be replaced
+local modes = { "n", "v" }
+local delete_mappings = {
+  d = '"_d',
+  D = '"_D',
+  x = '"_x',
+  X = '"_X',
+}
+-- Iterate over the modes and set the new mappings
+for _, mode in ipairs(modes) do
+  for lhs, rhs in pairs(delete_mappings) do
+    vim.keymap.set(mode, lhs, rhs, { noremap = true, silent = true })
+  end
 end