From 6527e5f31b8ced9e3ad186b6445925d4d91f15de Mon Sep 17 00:00:00 2001
From: zeertzjq <zeertzjq@outlook.com>
Date: Fri, 13 May 2022 18:18:29 +0800
Subject: [PATCH] fix: use scratch buffer and lhs for keymap.normalize() (#986)

Fix https://github.com/neovim/neovim/issues/18303

This can be slower, I don't know how frequently this function is called as I don't use this plugin.
---
 lua/cmp/utils/keymap.lua | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/lua/cmp/utils/keymap.lua b/lua/cmp/utils/keymap.lua
index 5727cd0..8e916b9 100644
--- a/lua/cmp/utils/keymap.lua
+++ b/lua/cmp/utils/keymap.lua
@@ -16,12 +16,15 @@ end
 ---@param keys string
 ---@return string
 keymap.normalize = function(keys)
-  vim.api.nvim_set_keymap('t', '<Plug>(cmp.utils.keymap.normalize)', keys, {})
-  for _, map in ipairs(vim.api.nvim_get_keymap('t')) do
-    if keymap.equals(map.lhs, '<Plug>(cmp.utils.keymap.normalize)') then
-      return map.rhs
+  local normalize_buf = vim.api.nvim_create_buf(false, true)
+  vim.api.nvim_buf_set_keymap(normalize_buf, 't', keys, '<Plug>(cmp.utils.keymap.normalize)', {})
+  for _, map in ipairs(vim.api.nvim_buf_get_keymap(normalize_buf, 't')) do
+    if keymap.equals(map.rhs, '<Plug>(cmp.utils.keymap.normalize)') then
+      vim.api.nvim_buf_delete(normalize_buf, {})
+      return map.lhs
     end
   end
+  vim.api.nvim_buf_delete(normalize_buf, {})
   return keys
 end