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Add an ArcanistJscsLinter
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Summary: Add a linter which wraps around [[https://github.com/mdevils/node-jscs | JSCS]]. Test Plan: Currently, we can't test this linter with out existing infrastructure. Specifically, `jscs` will only lint `*.js` files. I have done a fair bit of manual testing though. Reviewers: #blessed_reviewers, epriestley Reviewed By: #blessed_reviewers, epriestley Subscribers: epriestley, Korvin Differential Revision: https://secure.phabricator.com/D9565
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@ -95,6 +95,8 @@ phutil_register_library_map(array(
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'ArcanistJSHintLinterTestCase' => 'lint/linter/__tests__/ArcanistJSHintLinterTestCase.php',
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'ArcanistJSONLintLinter' => 'lint/linter/ArcanistJSONLintLinter.php',
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'ArcanistJSONLintLinterTestCase' => 'lint/linter/__tests__/ArcanistJSONLintLinterTestCase.php',
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'ArcanistJscsLinter' => 'lint/linter/ArcanistJscsLinter.php',
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'ArcanistJscsLinterTestCase' => 'lint/linter/__tests__/ArcanistJscsLinterTestCase.php',
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'ArcanistLandWorkflow' => 'workflow/ArcanistLandWorkflow.php',
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'ArcanistLesscLinter' => 'lint/linter/ArcanistLesscLinter.php',
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'ArcanistLesscLinterTestCase' => 'lint/linter/__tests__/ArcanistLesscLinterTestCase.php',
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@ -273,6 +275,8 @@ phutil_register_library_map(array(
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'ArcanistJSHintLinterTestCase' => 'ArcanistArcanistLinterTestCase',
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'ArcanistJSONLintLinter' => 'ArcanistExternalLinter',
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'ArcanistJSONLintLinterTestCase' => 'ArcanistArcanistLinterTestCase',
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'ArcanistJscsLinter' => 'ArcanistExternalLinter',
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'ArcanistJscsLinterTestCase' => 'ArcanistArcanistLinterTestCase',
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'ArcanistLandWorkflow' => 'ArcanistBaseWorkflow',
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'ArcanistLesscLinter' => 'ArcanistExternalLinter',
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'ArcanistLesscLinterTestCase' => 'ArcanistArcanistLinterTestCase',
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154
src/lint/linter/ArcanistJscsLinter.php
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154
src/lint/linter/ArcanistJscsLinter.php
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@ -0,0 +1,154 @@
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<?php
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final class ArcanistJscsLinter extends ArcanistExternalLinter {
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private $config;
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private $preset;
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public function getInfoName() {
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return 'JSCS';
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}
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public function getInfoURI() {
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return 'https://github.com/mdevils/node-jscs';
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}
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public function getInfoDescription() {
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return pht('Use `jscs` to detect issues with Javascript source files.');
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}
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public function getLinterName() {
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return 'JSCS';
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}
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public function getLinterConfigurationName() {
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return 'jscs';
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}
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public function getDefaultBinary() {
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return 'jscs';
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}
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public function getVersion() {
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list($stdout) = execx('%C --version', $this->getExecutableCommand());
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$matches = array();
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$regex = '/^(?P<version>\d+\.\d+\.\d+)$/';
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if (preg_match($regex, $stdout, $matches)) {
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return $matches['version'];
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} else {
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return false;
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}
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}
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public function getInstallInstructions() {
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return pht('Install JSCS using `npm install -g jscs`.');
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}
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public function shouldExpectCommandErrors() {
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return true;
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}
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protected function getMandatoryFlags() {
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$options = array();
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$options[] = '--reporter=checkstyle';
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$options[] = '--no-colors';
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if ($this->config) {
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$options[] = '--config='.$this->config;
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}
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if ($this->preset) {
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$options[] = '--preset='.$this->preset;
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}
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return $options;
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}
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public function getLinterConfigurationOptions() {
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$options = array(
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'jscs.config' => array(
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'type' => 'optional string',
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'help' => pht('Pass in a custom jscsrc file path.'),
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),
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'jscs.preset' => array(
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'type' => 'optional string',
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'help' => pht('Custom preset.'),
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),
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);
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return $options + parent::getLinterConfigurationOptions();
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}
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public function setLinterConfigurationValue($key, $value) {
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switch ($key) {
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case 'jscs.config':
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$this->config = $value;
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return;
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case 'jscs.preset':
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$this->preset = $value;
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return;
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}
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return parent::setLinterConfigurationValue($key, $value);
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}
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protected function parseLinterOutput($path, $err, $stdout, $stderr) {
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$report_dom = new DOMDocument();
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$ok = @$report_dom->loadXML($stdout);
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if (!$ok) {
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return false;
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}
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$messages = array();
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foreach ($report_dom->getElementsByTagName('file') as $file) {
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foreach ($file->getElementsByTagName('error') as $error) {
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$message = new ArcanistLintMessage();
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$message->setPath($path);
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$message->setLine($error->getAttribute('line'));
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$message->setChar($error->getAttribute('column'));
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$message->setCode('JSCS');
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$message->setDescription($error->getAttribute('message'));
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switch ($error->getAttribute('severity')) {
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case 'error':
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$message->setSeverity(ArcanistLintSeverity::SEVERITY_ERROR);
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break;
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case 'warning':
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$message->setSeverity(ArcanistLintSeverity::SEVERITY_WARNING);
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break;
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default:
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$message->setSeverity(ArcanistLintSeverity::SEVERITY_ADVICE);
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break;
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}
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$messages[] = $message;
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}
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}
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if ($err && !$messages) {
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return false;
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}
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return $messages;
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}
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protected function getLintCodeFromLinterConfigurationKey($code) {
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// NOTE: We can't figure out which rule generated each message, so we
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// can not customize severities.
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//
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// See https://github.com/mdevils/node-jscs/issues/224
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throw new Exception(
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pht(
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"JSCS does not currently support custom severity levels, because ".
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"rules can't be identified from messages in output."));
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}
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}
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17
src/lint/linter/__tests__/ArcanistJscsLinterTestCase.php
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17
src/lint/linter/__tests__/ArcanistJscsLinterTestCase.php
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<?php
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final class ArcanistJscsLinterTestCase extends ArcanistArcanistLinterTestCase {
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public function testJscsLinter() {
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// NOTE: JSCS will only lint files with a `*.js` extension.
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//
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// See https://github.com/mdevils/node-jscs/issues/444
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$this->assertTrue(true);
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return;
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$this->executeTestsInDirectory(
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dirname(__FILE__).'/jscs/',
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new ArcanistJscsLinter());
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}
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}
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12
src/lint/linter/__tests__/jscs/curly-brace.lint-test
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12
src/lint/linter/__tests__/jscs/curly-brace.lint-test
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function foo() {
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if (true) return 'foo'; else return 'bar';
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}
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~~~~~~~~~~
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error:2:
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~~~~~~~~~~
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~~~~~~~~~~
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{
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"config": {
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"jscs.preset": "jquery"
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}
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}
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