feat(picker.buffers): added buftype and filetype for scratch buffers

lua/snacks/picker/config/highlights.lua

@@ -44,6 +44,8 @@ Snacks.util.set_hl({
   KeymapNowait = "@variable.builtin",
   BufNr = "Number",
   BufFlags = "NonText",
+  BufType = "Function",
+  FileType = "String",
   KeymapRhs = "NonText",
   Time = "Special",
   UndoAdded = "Added",

lua/snacks/picker/format.lua

@@ -58,6 +58,9 @@ function M.filename(item, picker)
     local icon, hl = Snacks.util.icon(name, cat, {
       fallback = picker.opts.icons.files,
     })
+    if item.buftype == "terminal" then
+      icon, hl = " ", "Special"
+    end
     if item.dir and item.open then
       icon = picker.opts.icons.files.dir_open
     end
@@ -637,7 +640,27 @@ function M.buffer(item, picker)
   ret[#ret + 1] = { " " }
   ret[#ret + 1] = { Snacks.picker.util.align(item.flags, 2, { align = "right" }), "SnacksPickerBufFlags" }
   ret[#ret + 1] = { " " }
+
   vim.list_extend(ret, M.filename(item, picker))
+
+  if item.buftype ~= "" then
+    ret[#ret + 1] = { " " }
+    vim.list_extend(ret, {
+      { "[", "SnacksPickerDelim" },
+      { item.buftype, "SnacksPickerBufType" },
+      { "]", "SnacksPickerDelim" },
+    })
+  end
+
+  if item.name == "" and item.filetype ~= "" then
+    ret[#ret + 1] = { " " }
+    vim.list_extend(ret, {
+      { "[", "SnacksPickerDelim" },
+      { item.filetype, "SnacksPickerFileType" },
+      { "]", "SnacksPickerDelim" },
+    })
+  end
+
   return ret
 end
 

lua/snacks/picker/source/buffers.lua

@@ -22,7 +22,7 @@ function M.buffers(opts, ctx)
     if keep then
       local name = vim.api.nvim_buf_get_name(buf)
       if name == "" then
-        name = "[No Name]" .. (vim.bo[buf].filetype ~= "" and " " .. vim.bo[buf].filetype or "")
+        name = "[Scratch]"
       end
       local info = vim.fn.getbufinfo(buf)[1]
       local mark = vim.api.nvim_buf_get_mark(buf, '"')
@@ -35,6 +35,9 @@ function M.buffers(opts, ctx)
       table.insert(items, {
         flags = table.concat(flags),
         buf = buf,
+        name = vim.api.nvim_buf_get_name(buf),
+        buftype = vim.bo[buf].buftype,
+        filetype = vim.bo[buf].filetype,
         text = buf .. " " .. name,
         file = name,
         info = info,