feat!: use prompts similar to `:confirm` in `buf_kill` (#4186)

lua/lvim/core/bufferline.lua

@@ -178,7 +178,7 @@ function M.buf_kill(kill_command, bufnr, force)
   local bo = vim.bo
   local api = vim.api
   local fmt = string.format
-  local fnamemodify = vim.fn.fnamemodify
+  local fn = vim.fn
 
   if bufnr == 0 or bufnr == nil then
     bufnr = api.nvim_get_current_buf()
@@ -187,19 +187,24 @@ function M.buf_kill(kill_command, bufnr, force)
   local bufname = api.nvim_buf_get_name(bufnr)
 
   if not force then
-    local warning
+    local choice
     if bo[bufnr].modified then
-      warning = fmt([[No write since last change for (%s)]], fnamemodify(bufname, ":t"))
+      choice = fn.confirm(fmt([[Save changes to "%s"?]], bufname), "&Yes\n&No\n&Cancel")
+      if choice == 1 then
+        vim.api.nvim_buf_call(bufnr, function()
+          vim.cmd("w")
+        end)
+      elseif choice == 2 then
+        force = true
+      else return
+      end
     elseif api.nvim_buf_get_option(bufnr, "buftype") == "terminal" then
-      warning = fmt([[Terminal %s will be killed]], bufname)
-    end
-    if warning then
-      vim.ui.input({
-        prompt = string.format([[%s. Close it anyway? [y]es or [n]o (default: no): ]], warning),
-      }, function(choice)
-        if choice ~= nil and choice:match "ye?s?" then M.buf_kill(kill_command, bufnr, true) end
-      end)
-      return
+      choice = fn.confirm(fmt([[Close "%s"?]], bufname), "&Yes\n&No\n&Cancel")
+      if choice == 1 then
+        force = true
+      else
+        return
+      end
     end
   end