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Merge pull request #2937 from kevinoid/eslint-run-from-project-root

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Run ESLint from project root dir where possible
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w0rp 2020-01-01 18:30:01 +00:00 committed by GitHub
commit 6ad8836c68
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2 changed files with 26 additions and 3 deletions
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13
autoload/ale/handlers/eslint.vim
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@ -42,7 +42,18 @@ function! ale#handlers#eslint#GetCommand(buffer) abort
let l:options = ale#Var(a:buffer, 'javascript_eslint_options')
return ale#node#Executable(a:buffer, l:executable)
" ESLint 6 loads plugins/configs/parsers from the project root
" By default, the project root is simply the CWD of the running process.
" https://github.com/eslint/rfcs/blob/master/designs/2018-simplified-package-loading/README.md
" https://github.com/dense-analysis/ale/issues/2787
" Identify project root from presence of node_modules dir.
" Note: If node_modules not present yet, can't load local deps anyway.
let l:modules_dir = ale#path#FindNearestDirectory(a:buffer, 'node_modules')
let l:project_dir = !empty(l:modules_dir) ? fnamemodify(l:modules_dir, ':h:h') : ''
let l:cd_command = !empty(l:project_dir) ? ale#path#CdString(l:project_dir) : ''
return l:cd_command
\ . ale#node#Executable(a:buffer, l:executable)
\ . (!empty(l:options) ? ' ' . l:options : '')
\ . ' -f json --stdin --stdin-filename %s'
endfunction

16
test/test_eslint_executable_detection.vader
View File

@ -57,13 +57,25 @@ Execute(eslint.js executables should be run with node on Windows):
" We have to execute the file with node.
if has('win32')
AssertEqual
\ ale#Escape('node.exe') . ' '
\ ale#path#CdString(ale#path#Simplify(g:dir . '/eslint-test-files/react-app'))
\ . ale#Escape('node.exe') . ' '
\ . ale#Escape(ale#path#Simplify(g:dir . '/eslint-test-files/react-app/node_modules/eslint/bin/eslint.js'))
\ . ' -f json --stdin --stdin-filename %s',
\ ale#handlers#eslint#GetCommand(bufnr(''))
else
AssertEqual
\ ale#Escape(ale#path#Simplify(g:dir . '/eslint-test-files/react-app/node_modules/eslint/bin/eslint.js'))
\ ale#path#CdString(ale#path#Simplify(g:dir . '/eslint-test-files/react-app'))
\ . ale#Escape(ale#path#Simplify(g:dir . '/eslint-test-files/react-app/node_modules/eslint/bin/eslint.js'))
\ . ' -f json --stdin --stdin-filename %s',
\ ale#handlers#eslint#GetCommand(bufnr(''))
endif
Execute(eslint.js executables can be run outside project dir):
" Set filename above eslint-test-files (which contains node_modules)
call ale#test#SetFilename('testfile.js')
" cd "..." not present, since project root not found (from node_modules)
AssertEqual
\ ale#Escape(ale#handlers#eslint#GetExecutable(bufnr('')))
\ . ' -f json --stdin --stdin-filename %s',
\ ale#handlers#eslint#GetCommand(bufnr(''))