ale/ale_linters/json/jsonlint.vim

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" Author: KabbAmine <amine.kabb@gmail.com>
function! ale_linters#json#jsonlint#Handle(buffer, lines) abort
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" Matches patterns like the following:
" line 2, col 15, found: 'STRING' - expected: 'EOF', '}', ',', ']'.
let l:pattern = '^line \(\d\+\), col \(\d*\), \(.\+\)$'
let l:output = []
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for l:line in a:lines
let l:match = matchlist(l:line, l:pattern)
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if len(l:match) == 0
continue
endif
call add(l:output, {
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\ 'bufnr': a:buffer,
\ 'lnum': l:match[1] + 0,
\ 'col': l:match[2] + 0,
\ 'text': l:match[3],
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\ 'type': 'E',
\})
endfor
return l:output
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endfunction
call ale#linter#Define('json', {
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\ 'name': 'jsonlint',
\ 'executable': 'jsonlint',
\ 'output_stream': 'stderr',
\ 'command': 'jsonlint --compact -',
\ 'callback': 'ale_linters#json#jsonlint#Handle',
\})