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110 lines
3.7 KiB
VimL
110 lines
3.7 KiB
VimL
7 years ago
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" Author: w0rp <devw0rp@gmail.com>
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" Description: Functions for working with eslint, for checking or fixing files.
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call ale#Set('javascript_eslint_options', '')
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call ale#Set('javascript_eslint_executable', 'eslint')
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call ale#Set('javascript_eslint_use_global', 0)
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call ale#Set('javascript_eslint_suppress_eslintignore', 0)
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function! ale#handlers#eslint#GetExecutable(buffer) abort
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return ale#node#FindExecutable(a:buffer, 'javascript_eslint', [
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\ 'node_modules/.bin/eslint_d',
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\ 'node_modules/eslint/bin/eslint.js',
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\ 'node_modules/.bin/eslint',
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\])
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endfunction
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function! ale#handlers#eslint#GetCommand(buffer) abort
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let l:executable = ale#handlers#eslint#GetExecutable(a:buffer)
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let l:options = ale#Var(a:buffer, 'javascript_eslint_options')
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return ale#node#Executable(a:buffer, l:executable)
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\ . (!empty(l:options) ? ' ' . l:options : '')
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\ . ' -f unix --stdin --stdin-filename %s'
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endfunction
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let s:col_end_patterns = [
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\ '\vParsing error: Unexpected token (.+) ',
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\ '\v''(.+)'' is not defined.',
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\ '\v%(Unexpected|Redundant use of) [''`](.+)[''`]',
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\ '\vUnexpected (console) statement',
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\]
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function! s:AddHintsForTypeScriptParsingErrors(output) abort
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for l:item in a:output
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let l:item.text = substitute(
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\ l:item.text,
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\ '^\(Parsing error\)',
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\ '\1 (You may need configure typescript-eslint-parser)',
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\ '',
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\)
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endfor
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endfunction
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function! ale#handlers#eslint#Handle(buffer, lines) abort
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let l:config_error_pattern = '\v^ESLint couldn''t find a configuration file'
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\ . '|^Cannot read config file'
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\ . '|^.*Configuration for rule .* is invalid'
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\ . '|^ImportDeclaration should appear'
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" Look for a message in the first few lines which indicates that
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" a configuration file couldn't be found.
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for l:line in a:lines[:10]
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if len(matchlist(l:line, l:config_error_pattern)) > 0
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return [{
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\ 'lnum': 1,
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\ 'text': 'eslint configuration error (type :ALEDetail for more information)',
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\ 'detail': join(a:lines, "\n"),
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\}]
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endif
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endfor
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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:match in ale#util#GetMatches(a:lines, [l:pattern, l:parsing_pattern])
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let l:type = 'Error'
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let l:text = l:match[3]
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if ale#Var(a:buffer, 'javascript_eslint_suppress_eslintignore')
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if l:text is# 'File ignored because of a matching ignore pattern. Use "--no-ignore" to override.'
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continue
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endif
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endif
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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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let l:obj = {
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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 is# 'Warning' ? 'W' : 'E',
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\}
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for l:col_match in ale#util#GetMatches(l:text, s:col_end_patterns)
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let l:obj.end_col = l:obj.col + len(l:col_match[1]) - 1
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endfor
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call add(l:output, l:obj)
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endfor
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if expand('#' . a:buffer . ':t') =~? '\.tsx\?$'
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call s:AddHintsForTypeScriptParsingErrors(l:output)
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endif
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return l:output
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endfunction
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