Add mapping to delete other buffers

lua/mappings.lua

@@ -45,7 +45,21 @@ keymap.set("n", [[\x]], "<cmd>windo lclose <bar> cclose <cr>", {
 -- Delete a buffer, without closing the window, see https://stackoverflow.com/q/4465095/6064933
 keymap.set("n", [[\d]], "<cmd>bprevious <bar> bdelete #<cr>", {
   silent = true,
-  desc = "delete buffer",
+  desc = "delete current buffer",
+})
+
+keymap.set("n", [[\D]], function()
+  local buf_ids = vim.api.nvim_list_bufs()
+  local cur_buf = vim.api.nvim_win_get_buf(0)
+
+  for _, buf_id in pairs(buf_ids) do
+    -- do not Delete unlisted buffers, which may lead to unexpected errors
+    if vim.api.nvim_get_option_value("buflisted", { buf = buf_id }) and buf_id ~= cur_buf then
+      vim.api.nvim_buf_delete(buf_id, { force = true })
+    end
+  end
+end, {
+  desc = "delete other buffers",
 })
 
 -- Insert a blank line below or above current line (do not move the cursor),
@@ -218,18 +232,20 @@ keymap.set("n", "<leader>cb", function()
     return
   end
 
-  timer:start(0, 100, vim.schedule_wrap(function()
-    vim.cmd [[
+  timer:start(
+    0,
+    100,
+    vim.schedule_wrap(function()
+      vim.cmd([[
       set cursorcolumn!
       set cursorline!
-    ]]
+    ]])
 
-    if cnt == blink_times then
-      timer:close()
-    end
+      if cnt == blink_times then
+        timer:close()
+      end
 
-    cnt = cnt + 1
-  end)
+      cnt = cnt + 1
+    end)
   )
-end,
-  { desc = "show cursor" })
+end, { desc = "show cursor" })