ale/ale_linters/coffee/coffeelint.vim

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" Author: Prashanth Chandra https://github.com/prashcr
" Description: coffeelint linter for coffeescript files
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if exists('g:loaded_ale_linters_coffee_coffeelint')
finish
endif
let g:loaded_ale_linters_coffee_coffeelint = 1
function! ale_linters#coffee#coffeelint#Handle(buffer, lines)
" Matches patterns like the following:
"
" path,lineNumber,lineNumberEnd,level,message
" stdin,14,,error,Throwing strings is forbidden
"
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" Note that we currently ignore lineNumberEnd for multiline errors
let l:pattern = 'stdin,\(\d\+\),\(\d*\),\(.\+\),\(.\+\)'
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
let l:line = l:match[1] + 0
let l:column = 1
let l:type = l:match[3] ==# 'error' ? 'E' : 'W'
let l:text = l:match[4]
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" vcol is needed to indicate that the column is a character
call add(l:output, {
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\ 'bufnr': a:buffer,
\ 'lnum': l:line,
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\ 'vcol': 0,
\ 'col': l:column,
\ 'text': l:text,
\ 'type': l:type,
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\ 'nr': -1,
\})
endfor
return l:output
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endfunction
call ale#linter#Define('coffee', {
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\ 'name': 'coffeelint',
\ 'executable': 'coffeelint',
\ 'command': 'coffeelint --stdin --reporter csv',
\ 'callback': 'ale_linters#coffee#coffeelint#Handle',
\})