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" Author: w0rp <devw0rp@gmail.com>
" Description: eslint for JavaScript files
if exists('g:loaded_ale_linters_javascript_eslint')
finish
endif
let g:loaded_ale_linters_javascript_eslint = 1
let g:ale_javascript_eslint_executable =
\ get(g:, 'ale_javascript_eslint_executable', 'eslint')
function! ale_linters#javascript#eslint#Handle(buffer, lines)
" Matches patterns line the following:
"
" /path/to/some-filename.js:47:14: Missing trailing comma. [Warning/comma-dangle]
" /path/to/some-filename.js:56:41: Missing semicolon. [Error/semi]
let l:pattern = '^.*:\(\d\+\):\(\d\+\): \(.\+\) \[\(.\+\)\]$'
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:type = split(l:match[4], '/')[0]
let l:text = l:match[3] . ' [' . l:match[4] . ']'
" vcol is Needed to indicate that the column is a character.
call add(l:output, {
\ 'bufnr': a:buffer,
\ 'lnum': l:match[1] + 0,
\ 'vcol': 0,
\ 'col': l:match[2] + 0,
\ 'text': l:text,
\ 'type': l:type ==# 'Warning' ? 'W' : 'E',
\ 'nr': -1,
\})
endfor
return l:output
endfunction
call ale#linter#Define('javascript', {
\ 'name': 'eslint',
\ 'executable': g:ale_javascript_eslint_executable,
\ 'command': g:ale_javascript_eslint_executable . ' -f unix --stdin --stdin-filename %s',
\ 'callback': 'ale_linters#javascript#eslint#Handle',
\})
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