Fixed t:undotree undefined error

the ```t:undotree.GetStatusLine()``` is appended to the status line when ```t:undotree``` exists, but it seems like the ```statusline``` will be executed when ```t:undtree``` is no longer available during window destruction.
This commit is contained in:
Ming, Bai 2019-01-22 14:44:52 -08:00
parent e0bde5dea4
commit 6601474bf5

View File

@ -11,14 +11,14 @@ function! airline#extensions#undotree#apply(...)
if exists('t:undotree')
if &ft == 'undotree'
if exists('*t:undotree.GetStatusLine')
call airline#extensions#apply_left_override('undo', '%{t:undotree.GetStatusLine()}')
call airline#extensions#apply_left_override('undo', '%{exists("t:undotree") ? t:undotree.GetStatusLine() : ""}')
else
call airline#extensions#apply_left_override('undotree', '%f')
endif
endif
if &ft == 'diff' && exists('*t:diffpanel.GetStatusLine')
call airline#extensions#apply_left_override('diff', '%{t:diffpanel.GetStatusLine()}')
call airline#extensions#apply_left_override('diff', '%{exists("t:diffpanel") ? t:diffpanel.GetStatusLine() : ""}')
endif
endif
endfunction