Fix for third party sources like coc.nvim

Ref: dense-analysis/ale#4737

Note: this commit should be reverted when this issue has beed fixed.

autoload/lightline/ale.vim

@@ -13,15 +13,15 @@ function! lightline#ale#infos() abort
  if !lightline#ale#linted()
  return ''
  endif
- let l:counts = ale#statusline#Count(bufnr(''))
+ let l:counts = lightline#ale#count(bufnr(''))
  return l:counts.info == 0 ? '' : printf(s:indicator_infos . '%d', l:counts.info)
 endfunction
 
 function! lightline#ale#warnings() abort
  if !lightline#ale#linted()
  return ''
  endif
- let l:counts = ale#statusline#Count(bufnr(''))
+ let l:counts = lightline#ale#count(bufnr(''))
  let l:all_warnings = l:counts.warning + l:counts.style_warning
  return l:all_warnings == 0 ? '' : printf(s:indicator_warnings . '%d', all_warnings)
 endfunction
@@ -30,7 +30,7 @@ function! lightline#ale#errors() abort
  if !lightline#ale#linted()
  return ''
  endif
- let l:counts = ale#statusline#Count(bufnr(''))
+ let l:counts = lightline#ale#count(bufnr(''))
  let l:all_errors = l:counts.error + l:counts.style_error
  return l:all_errors == 0 ? '' : printf(s:indicator_errors . '%d', all_errors)
 endfunction
@@ -39,7 +39,7 @@ function! lightline#ale#ok() abort
  if !lightline#ale#linted()
  return ''
  endif
- let l:counts = ale#statusline#Count(bufnr(''))
+ let l:counts = lightline#ale#count(bufnr(''))
  return l:counts.total == 0 ? s:indicator_ok : ''
 endfunction
 
@@ -64,3 +64,16 @@ function! lightline#ale#linted() abort
  \ && getbufvar(bufnr(''), 'ale_linted', 0) > 0
  \ && ale#engine#IsCheckingBuffer(bufnr('')) == 0
 endfunction
+
+function! lightline#ale#count(buffer) abort
+ " Force refresh the count info
+ " https://github.com/dense-analysis/ale/issues/4737
+ call ale#statusline#Update(
+ \ a:buffer,
+ \ g:ale_buffer_info[a:buffer].loclist
+ \ )
+ call ale#sign#SetSigns(
+ \ a:buffer,
+ \ g:ale_buffer_info[a:buffer].loclist)
+ return ale#statusline#Count(a:buffer)
+endfunction