From cdc574c9b0c2803e3d1786f4b6f317782b12fadc Mon Sep 17 00:00:00 2001
From: shadmansaleh <13149513+shadmansaleh@users.noreply.github.com>
Date: Mon, 20 Sep 2021 21:47:25 +0600
Subject: [PATCH] fix: nil error with Alpha on buffers component

---
 README.md                          | 1 +
 doc/lualine.txt                    | 1 +
 lua/lualine/components/buffers.lua | 9 +++++++--
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 4e39c19..dd9ee54 100644
--- a/README.md
+++ b/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
diff --git a/doc/lualine.txt b/doc/lualine.txt
index 5f7d3b9..cf28573 100644
--- a/doc/lualine.txt
+++ b/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
diff --git a/lua/lualine/components/buffers.lua b/lua/lualine/components/buffers.lua
index 995e2d1..8bc00bc 100644
--- a/lua/lualine/components/buffers.lua
+++ b/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
-      buffers[#buffers].last = nil
+      if #buffers > 0 then
+        buffers[#buffers].last = nil
+      end
       buffers[#buffers + 1] = b
       current = #buffers
     else
       b.first = true
-      buffers[1].first = nil
+      if #buffers > 0 then
+        buffers[1].first = nil
+      end
       table.insert(buffers, 1, b)
       current = 1
     end