From b495ccc3ef5c367e26450bb17dd0dd95948d2a2c Mon Sep 17 00:00:00 2001
From: hedy <hedy@tilde.cafe>
Date: Thu, 2 Nov 2023 20:15:29 +0800
Subject: [PATCH] Fix invalid buffer id

---
 README.md                      | 2 +-
 lua/symbols-outline/writer.lua | 5 ++---
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index a00b690..12ac84d 100644
--- a/README.md
+++ b/README.md
@@ -125,7 +125,7 @@ Key:
 - ✅ Fix some options
   (#180 by cljoly)
 
-- fix: Invalid buffer id error
+- ✅ fix: Invalid buffer id error
   (#177 by snowair)
 
 - ✅ fix(code_actions): use the builtin code_action
diff --git a/lua/symbols-outline/writer.lua b/lua/symbols-outline/writer.lua
index c2a1f0d..93e640e 100644
--- a/lua/symbols-outline/writer.lua
+++ b/lua/symbols-outline/writer.lua
@@ -5,9 +5,8 @@ local ui = require 'symbols-outline.ui'
 local M = {}
 
 local function is_buffer_outline(bufnr)
-  local isValid = vim.api.nvim_buf_is_valid(bufnr)
-  if not isValid then
-    return
+  if not vim.api.nvim_buf_is_valid(bufnr) then
+    return false
   end
   local name = vim.api.nvim_buf_get_name(bufnr)
   local ft = vim.api.nvim_buf_get_option(bufnr, 'filetype')