add guard for possible undefined window context (#276).

2013-10-06 09:03:47 -04:00 · 2013-10-06 09:03:47 -04:00 · 491091706f
parent af330f6a47
commit 491091706f
1 changed files with 6 additions and 1 deletions
--- a/autoload/airline.vim
+++ b/autoload/airline.vim
@ -120,7 +120,12 @@ function! s:invoke_funcrefs(context, funcrefs)
 endfunction

 function! airline#statusline(winnr)
-  return '%{airline#check_mode('.a:winnr.')}'.s:contexts[a:winnr].line
+  if has_key(s:contexts, a:winnr)
+    return '%{airline#check_mode('.a:winnr.')}'.s:contexts[a:winnr].line
+  endif
+
+  " in rare circumstances this happens...see #276
+  return ''
 endfunction

 function! airline#check_mode(winnr)