JavaScriptContentHandler.php

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<?php
use MediaWiki\Content\Renderer\ContentParseParams;
use MediaWiki\Content\Transform\PreSaveTransformParams;
use MediaWiki\MainConfigNames;
use MediaWiki\MediaWikiServices;
 
class JavaScriptContentHandler extends CodeContentHandler {
 
    public function __construct( $modelId = CONTENT_MODEL_JAVASCRIPT ) {
        parent::__construct( $modelId, [ CONTENT_FORMAT_JAVASCRIPT ] );
    }
 
    protected function getContentClass() {
        return JavaScriptContent::class;
    }
 
    public function supportsRedirects() {
        return true;
    }
 
    public function makeRedirectContent( Title $destination, $text = '' ) {
        // The parameters are passed as a string so the / is not url-encoded by wfArrayToCgi
        $url = $destination->getFullURL( 'action=raw&ctype=text/javascript', false, PROTO_RELATIVE );
        $class = $this->getContentClass();
        return new $class( '/* #REDIRECT */' . Xml::encodeJsCall( 'mw.loader.load', [ $url ] ) );
    }
 
    public function preSaveTransform(
        Content $content,
        PreSaveTransformParams $pstParams
    ): Content {
        $shouldCallDeprecatedMethod = $this->shouldCallDeprecatedContentTransformMethod(
            $content,
            $pstParams
        );
 
        if ( $shouldCallDeprecatedMethod ) {
            return $this->callDeprecatedContentPST(
                $content,
                $pstParams
            );
        }
 
        '@phan-var JavascriptContent $content';
 
        $parserOptions = $pstParams->getParserOptions();
        // @todo Make pre-save transformation optional for script pages (T34858)
        $services = MediaWikiServices::getInstance();
        if ( !$services->getUserOptionsLookup()->getBoolOption( $pstParams->getUser(), 'pst-cssjs' ) ) {
            // Allow bot users to disable the pre-save transform for CSS/JS (T236828).
            $parserOptions = clone $parserOptions;
            $parserOptions->setPreSaveTransform( false );
        }
 
        $text = $content->getText();
        $pst = $services->getParserFactory()->getInstance()->preSaveTransform(
            $text,
            $pstParams->getPage(),
            $pstParams->getUser(),
            $parserOptions
        );
 
        $contentClass = $this->getContentClass();
        return new $contentClass( $pst );
    }
 
    protected function fillParserOutput(
        Content $content,
        ContentParseParams $cpoParams,
        ParserOutput &$output
    ) {
        $textModelsToParse = MediaWikiServices::getInstance()->getMainConfig()->get(
            MainConfigNames::TextModelsToParse );
        '@phan-var JavaScriptContent $content';
        if ( in_array( $content->getModel(), $textModelsToParse ) ) {
            // parse just to get links etc into the database, HTML is replaced below.
            $output = MediaWikiServices::getInstance()->getParserFactory()->getInstance()
                ->parse(
                    $content->getText(),
                    $cpoParams->getPage(),
                    WikiPage::makeParserOptionsFromTitleAndModel(
                        $cpoParams->getPage(),
                        $content->getModel(),
                        'canonical'
                    ),
                    true,
                    true,
                    $cpoParams->getRevId()
                );
        }
 
        if ( $cpoParams->getGenerateHtml() ) {
            // Return JavaScript wrapped in a <pre> tag.
            $html = Html::element(
                'pre',
                [ 'class' => 'mw-code mw-js', 'dir' => 'ltr' ],
                "\n" . $content->getText() . "\n"
            ) . "\n";
        } else {
            $html = null;
        }
 
        $output->clearWrapperDivClass();
        $output->setText( $html );
    }
}