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Fix #386 report problems with eslint configuration files

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This commit is contained in:
w0rp 2017-03-09 21:05:00 +00:00
parent fc072a0772
commit 3cababc83b
2 changed files with 68 additions and 1 deletions
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15
ale_linters/javascript/eslint.vim
View File

@ -29,6 +29,21 @@ function! ale_linters#javascript#eslint#GetCommand(buffer) abort
endfunction
function! ale_linters#javascript#eslint#Handle(buffer, lines) abort
let l:config_error_pattern = '\v^ESLint couldn''t find a configuration file'
\ . '|^Cannot read config file'
" Look for a message in the first few lines which indicates that
" a configuration file couldn't be found.
for l:line in a:lines[:10]
if len(matchlist(l:line, l:config_error_pattern)) > 0
return [{
\ 'lnum': 1,
\ 'text': 'eslint configuration error (type :ALEDetail for more information)',
\ 'detail': join(a:lines, "\n"),
\}]
endif
endfor
" Matches patterns line the following:
"
" /path/to/some-filename.js:47:14: Missing trailing comma. [Warning/comma-dangle]

54
test/handler/test_eslint_handler.vader
View File

@ -1,6 +1,7 @@
Execute(The eslint handler should parse lines correctly):
Before:
runtime ale_linters/javascript/eslint.vim
Execute(The eslint handler should parse lines correctly):
AssertEqual
\ [
\ {
@ -33,5 +34,56 @@ Execute(The eslint handler should parse lines correctly):
\ '/path/to/some-filename.js:13:3: Parsing error: Unexpected token',
\ ])
Execute(The eslint handler should print a message about a missing configuration file):
let g:config_error_lines = [
\ '',
\ 'Oops! Something went wrong! :(',
\ '',
\ 'ESLint couldn''t find a configuration file. To set up a configuration file for this project, please run:',
\ ' eslint --init',
\ '',
\ 'ESLint looked for configuration files in /some/path/or/other and its ancestors.',
\ '',
\ 'If you think you already have a configuration file or if you need more help, please stop by the ESLint chat room: https://gitter.im/eslint/eslint',
\ '',
\ ]
AssertEqual
\ [{
\ 'lnum': 1,
\ 'text': 'eslint configuration error (type :ALEDetail for more information)',
\ 'detail': join(g:config_error_lines, "\n"),
\ }],
\ ale_linters#javascript#eslint#Handle(347, g:config_error_lines[:])
Execute(The eslint handler should print a message for config parsing errors):
let g:config_error_lines = [
\ 'Cannot read config file: /some/path/or/other/.eslintrc.js',
\ 'Error: Unexpected token <<',
\ '/some/path/or/other/.eslintrc.js:1',
\ '(function (exports, require, module, __filename, __dirname) { <<<>>>',
\ ' ^^',
\ 'SyntaxError: Unexpected token <<',
\ ' at Object.exports.runInThisContext (vm.js:76:16)',
\ ' at Module._compile (module.js:528:28)',
\ ' at Object.Module._extensions..js (module.js:565:10)',
\ ' at Module.load (module.js:473:32)',
\ ' at tryModuleLoad (module.js:432:12)',
\ ' at Function.Module._load (module.js:424:3)',
\ ' at Module.require (module.js:483:17)',
\ ' at require (internal/module.js:20:19)',
\ ' at module.exports (/usr/local/lib/node_modules/eslint/node_modules/require-uncached/index.js:14:12)',
\ ' at loadJSConfigFile (/usr/local/lib/node_modules/eslint/lib/config/config-file.js:160:16)',
\]
AssertEqual
\ [{
\ 'lnum': 1,
\ 'text': 'eslint configuration error (type :ALEDetail for more information)',
\ 'detail': join(g:config_error_lines, "\n"),
\ }],
\ ale_linters#javascript#eslint#Handle(347, g:config_error_lines[:])
After:
unlet! g:config_error_lines
call ale#linter#Reset()