jsparse.php
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jsparse.php
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	<?php
	/**
	* @license GPL-2.0-or-later
	* @file
	* @ingroup Maintenance
	*/

	use MediaWiki\Maintenance\Maintenance;

	// @codeCoverageIgnoreStart
	require_once __DIR__ . '/Maintenance.php';
	// @codeCoverageIgnoreEnd

	/**
	* Ad-hoc run ResourceLoader validation for user-supplied JavaScript.
	*
	* Matches the behaviour of ResourceLoader\Module::validateScriptFile, currently
	* powered by the the Peast library.
	*
	* @ingroup Maintenance
	*/
	class JSParseHelper extends Maintenance {
	/** @var int */
	public $errs = 0;

	public function __construct() {
	parent::__construct();
	$this->addDescription( 'Validate syntax of JavaScript files' );
	$this->addArg( 'file(s)', 'JavaScript files or "-" to read stdin', true, true );
	}

	public function execute() {
	$files = $this->getArgs();

	foreach ( $files as $filename ) {
	$js = $filename === '-'
	? stream_get_contents( STDIN )
	// phpcs:ignore Generic.PHP.NoSilencedErrors
	: @file_get_contents( $filename );
	if ( $js === false ) {
	$this->output( "$filename ERROR: could not read file\n" );
	$this->errs++;
	continue;
	}

	try {
	Peast\Peast::ES2017( $js )->parse();
	} catch ( Exception $e ) {
	$this->errs++;
	$this->output( "$filename ERROR: " . get_class( $e ) . ": " . $e->getMessage() . "\n" );
	continue;
	}

	$this->output( "$filename OK\n" );
	}

	if ( $this->errs > 0 ) {
	$this->fatalError( 'Failed.' );
	}
	}
	}

	// @codeCoverageIgnoreStart
	$maintClass = JSParseHelper::class;
	require_once RUN_MAINTENANCE_IF_MAIN;
	// @codeCoverageIgnoreEnd