From dc49182ea619420149bb1d62097d92e6ae4ea0f2 Mon Sep 17 00:00:00 2001
From: bhagwan <bhagwan@disroot.org>
Date: Sun, 19 Sep 2021 02:08:23 -0700
Subject: [PATCH] clear previous previewer on win reuse

---
 lua/fzf-lua/win.lua | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lua/fzf-lua/win.lua b/lua/fzf-lua/win.lua
index d589e4b..674dd82 100644
--- a/lua/fzf-lua/win.lua
+++ b/lua/fzf-lua/win.lua
@@ -187,6 +187,10 @@ function FzfWin:new(o)
 end
 
 function FzfWin:attach_previewer(previewer)
+  -- clear the previous previewer if existed
+  if self._previewer and self._previewer.close then
+    self._previewer:close()
+  end
   self._previewer = previewer
   self.previewer_is_builtin = previewer and type(previewer.display_entry) == 'function'
 end