From 10b4a97f7f8c8f4e8cae7e44ac09ef0dfb10ec9b Mon Sep 17 00:00:00 2001
From: kiyan <yazdani.kiyan@protonmail.com>
Date: Sat, 5 Feb 2022 17:50:48 +0100
Subject: [PATCH] fix: check type callback is function in refresh

fixes #930
---
 lua/nvim-tree/lib.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lua/nvim-tree/lib.lua b/lua/nvim-tree/lib.lua
index c9d1d17e..b3702fca 100644
--- a/lua/nvim-tree/lib.lua
+++ b/lua/nvim-tree/lib.lua
@@ -133,7 +133,7 @@ function M.refresh_tree(callback)
     refresh_nodes(M.Tree, projects)
     if view.win_open() then
       M.redraw()
-      if callback then
+      if callback and type(callback) == 'function' then
         callback()
       end
     end