From d181f2cfd4b828f9c6f1e10e69c68241de59f54f Mon Sep 17 00:00:00 2001
From: Ravi Brock <66334356+ravibrock@users.noreply.github.com>
Date: Tue, 28 May 2024 02:48:30 -0500
Subject: [PATCH] fix: add check to ensure that buffer is loaded (#587)

---
 lua/barbar/events.lua | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lua/barbar/events.lua b/lua/barbar/events.lua
index e8cf7ad2..ae7aed8f 100644
--- a/lua/barbar/events.lua
+++ b/lua/barbar/events.lua
@@ -222,8 +222,10 @@ function events.enable()
 
   create_autocmd('DiagnosticChanged', {
     callback = function(event)
-      state.update_diagnostics(event.buf)
-      render.update()
+      if vim.api.nvim_buf_is_loaded(event.buf) then
+        state.update_diagnostics(event.buf)
+        render.update()
+      end
     end,
     group = augroup_render,
   })