extract codeowners#whoBufname()

Author: mrded

autoload/airline/extensions/codeowners.vim

@@ -8,9 +8,5 @@ endif
 let g:loaded_vim_airline_codeowners = 1
 
 function! airline#extensions#codeowners#init(ext)
-  call airline#parts#define_raw('codeowners', '%{airline#extensions#codeowners#who()}')
-endfunction
-
-function! airline#extensions#codeowners#who()
-  return codeowners#who(bufname())
+  call airline#parts#define_raw('codeowners', '%{codeowners#whoBufname()}')
 endfunction

autoload/codeowners.vim

@@ -12,6 +12,10 @@ function! codeowners#isCodeownersFileExist()
   return filereadable(s:projectDir . '/.github/CODEOWNERS')
 endfunction
 
+function! codeowners#whoBufname()
+  return codeowners#who(bufname())
+endfunction
+
 function! codeowners#who(file)
   if !has_key(s:cache, a:file)
     if !codeowners#isCodeownersFileExist()