From 62952b3887b9608baf3ca494b5a2bf58018257dd Mon Sep 17 00:00:00 2001
From: Christian Brabandt <cb@256bit.org>
Date: Tue, 27 Jun 2017 14:44:03 +0200
Subject: [PATCH] tabline: only map keys if not done yet

Should improve performance by not steadily remapping keys
---
 autoload/airline/extensions/tabline/tabs.vim | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/autoload/airline/extensions/tabline/tabs.vim b/autoload/airline/extensions/tabline/tabs.vim
index 63beee1..b2ddf87 100644
--- a/autoload/airline/extensions/tabline/tabs.vim
+++ b/autoload/airline/extensions/tabline/tabs.vim
@@ -97,6 +97,9 @@ function! airline#extensions#tabline#tabs#get()
 endfunction
 
 function! airline#extensions#tabline#tabs#map_keys()
+  if exists("s:airline_tabline_map_key")
+    return
+  endif
   noremap <silent> <Plug>AirlineSelectTab1 :1tabn<CR>
   noremap <silent> <Plug>AirlineSelectTab2 :2tabn<CR>
   noremap <silent> <Plug>AirlineSelectTab3 :3tabn<CR>
@@ -109,4 +112,5 @@ function! airline#extensions#tabline#tabs#map_keys()
   noremap <silent> <Plug>AirlineSelectPrevTab gT
   " tabn {count} goes to count tab does not go {count} tab pages forward!
   noremap <silent> <Plug>AirlineSelectNextTab :<C-U>exe repeat(':tabn\|', v:count1)<cr>
+  let s:airline_tabline_map_key = 1
 endfunction