ale/ale_linters/yaml/yamllint.vim

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" Author: KabbAmine <amine.kabb@gmail.com>
function! ale_linters#yaml#yamllint#Handle(buffer, lines) abort
" Matches patterns line the following:
" something.yaml:1:1: [warning] missing document start "---" (document-start)
" something.yml:2:1: [error] syntax error: expected the node content, but found '<stream end>'
let l:pattern = '^.*:\(\d\+\):\(\d\+\): \[\(error\|warning\)\] \(.\+\)$'
let l:output = []
for l:line in a:lines
let l:match = matchlist(l:line, l:pattern)
if len(l:match) == 0
continue
endif
let l:line = l:match[1] + 0
let l:col = l:match[2] + 0
let l:type = l:match[3]
let l:text = l:match[4]
" vcol is Needed to indicate that the column is a character.
call add(l:output, {
\ 'bufnr': a:buffer,
\ 'lnum': l:line,
\ 'vcol': 0,
\ 'col': l:col,
\ 'text': l:text,
\ 'type': l:type ==# 'error' ? 'E' : 'W',
\ 'nr': -1,
\})
endfor
return l:output
endfunction
call ale#linter#Define('yaml', {
\ 'name': 'yamllint',
\ 'executable': 'yamllint',
\ 'command': g:ale#util#stdin_wrapper . ' .yml yamllint -f parsable',
\ 'callback': 'ale_linters#yaml#yamllint#Handle',
\})