83 lines
2.6 KiB
VimL
83 lines
2.6 KiB
VimL
" Author: w0rp <devw0rp@gmail.com>
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" Description: eslint for JavaScript files
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let g:ale_javascript_eslint_executable =
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\ get(g:, 'ale_javascript_eslint_executable', 'eslint')
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let g:ale_javascript_eslint_options =
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\ get(g:, 'ale_javascript_eslint_options', '')
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let g:ale_javascript_eslint_use_global =
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\ get(g:, 'ale_javascript_eslint_use_global', 0)
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function! ale_linters#javascript#eslint#GetExecutable(buffer) abort
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if g:ale_javascript_eslint_use_global
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return g:ale_javascript_eslint_executable
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endif
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return ale#util#ResolveLocalPath(
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\ a:buffer,
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\ 'node_modules/.bin/eslint',
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\ g:ale_javascript_eslint_executable
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\)
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endfunction
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function! ale_linters#javascript#eslint#GetCommand(buffer) abort
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return ale_linters#javascript#eslint#GetExecutable(a:buffer)
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\ . ' ' . g:ale_javascript_eslint_options
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\ . ' -f unix --stdin --stdin-filename %s'
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endfunction
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function! ale_linters#javascript#eslint#Handle(buffer, lines) abort
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" Matches patterns line the following:
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"
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" /path/to/some-filename.js:47:14: Missing trailing comma. [Warning/comma-dangle]
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" /path/to/some-filename.js:56:41: Missing semicolon. [Error/semi]
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let l:pattern = '^.*:\(\d\+\):\(\d\+\): \(.\+\) \[\(.\+\)\]$'
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" This second pattern matches lines like the following:
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"
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" /path/to/some-filename.js:13:3: Parsing error: Unexpected token
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let l:parsing_pattern = '^.*:\(\d\+\):\(\d\+\): \(.\+\)$'
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let l:output = []
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for l:line in a:lines
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let l:match = matchlist(l:line, l:pattern)
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if len(l:match) == 0
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" Try the parsing pattern for parsing errors.
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let l:match = matchlist(l:line, l:parsing_pattern)
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endif
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if len(l:match) == 0
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continue
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endif
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let l:type = 'Error'
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let l:text = l:match[3]
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" Take the error type from the output if available.
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if !empty(l:match[4])
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let l:type = split(l:match[4], '/')[0]
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let l:text .= ' [' . l:match[4] . ']'
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endif
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" vcol is Needed to indicate that the column is a character.
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call add(l:output, {
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\ 'bufnr': a:buffer,
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\ 'lnum': l:match[1] + 0,
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\ 'col': l:match[2] + 0,
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\ 'text': l:text,
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\ 'type': l:type ==# 'Warning' ? 'W' : 'E',
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\})
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endfor
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return l:output
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endfunction
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call ale#linter#Define('javascript', {
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\ 'name': 'eslint',
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\ 'executable_callback': 'ale_linters#javascript#eslint#GetExecutable',
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\ 'command_callback': 'ale_linters#javascript#eslint#GetCommand',
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\ 'callback': 'ale_linters#javascript#eslint#Handle',
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\})
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