fix: nil error with Alpha on buffers component

README.md

@@ -385,6 +385,7 @@ sections = {
         dashboard = 'Dashboard',
         packer = 'Packer',
         fzf = 'FZF',
+        alpha = 'Alpha'
       }, -- shows specific buffer name for that filetype ( { `filetype` = `buffer_name`, ... } )
       buffers_color = {
         active = nil,   -- color for active buffer

doc/lualine.txt

@@ -364,6 +364,7 @@ Component specific local options ~
             dashboard = 'Dashboard',
             packer = 'Packer',
             fzf = 'FZF',
+            alpha = 'Alpha'
           }, -- shows specific buffer name for that filetype ( { `filetype` = `buffer_name`, ... } )
           buffers_color = {
             active = nil,   -- color for active buffer

lua/lualine/components/buffers.lua

@@ -12,6 +12,7 @@ local default_options = {
     dashboard = 'Dashboard',
     packer = 'Packer',
     fzf = 'FZF',
+    alpha = 'Alpha',
   },
 }
 
@@ -197,12 +198,16 @@ function Buffers:update_status()
     b.current = true
     if self.options.self.section < 'lualine_x' then
       b.last = true
+      if #buffers > 0 then
         buffers[#buffers].last = nil
+      end
       buffers[#buffers + 1] = b
       current = #buffers
     else
       b.first = true
+      if #buffers > 0 then
         buffers[1].first = nil
+      end
       table.insert(buffers, 1, b)
       current = 1
     end