#274 - Fix airline integration when ALE is not loaded fully
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@ -3,6 +3,10 @@
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" Update the buffer error/warning count with data from loclist.
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function! ale#statusline#Update(buffer, loclist) abort
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if !exists('g:ale_buffer_info')
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return
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endif
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if !has_key(g:ale_buffer_info, a:buffer)
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return
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endif
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@ -39,6 +43,10 @@ endfunction
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" Returns a tuple of errors and warnings for use in third-party integrations.
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function! ale#statusline#Count(buffer) abort
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if !exists('g:ale_buffer_info')
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return [0, 0]
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endif
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if !s:SetupCount(a:buffer)
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return [0, 0]
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endif
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@ -48,6 +56,10 @@ endfunction
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" Returns a formatted string that can be integrated in the statusline.
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function! ale#statusline#Status() abort
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if !exists('g:ale_buffer_info')
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return 'OK'
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endif
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let [l:error_format, l:warning_format, l:no_errors] = g:ale_statusline_format
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let l:buffer = bufnr('%')
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19
test/test_statusline_api_without_globals.vader
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19
test/test_statusline_api_without_globals.vader
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@ -0,0 +1,19 @@
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" This file tests that statusline functions return meaningful output even
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" when most of ALE itself has not been loaded.
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"
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" This is important for plugins which integrate with ALE like airline.
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Before:
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unlet! g:ale_buffer_info
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After:
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let g:ale_buffer_info = {}
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Execute(ale#statusline#Update shouldn't blow up when globals are undefined):
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call ale#statusline#Update(1, [])
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Execute(ale#statusline#Count should return 0 counts when globals are undefined):
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AssertEqual [0, 0], ale#statusline#Count(1)
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Execute(ale#statusline#Status should return 'OK' when globals are undefined):
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AssertEqual 'OK', ale#statusline#Status()
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