JsonContentHandler.php

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<?php
use MediaWiki\Content\Transform\PreSaveTransformParams;
 
class JsonContentHandler extends CodeContentHandler {
 
    public function __construct( $modelId = CONTENT_MODEL_JSON ) {
        parent::__construct( $modelId, [ CONTENT_FORMAT_JSON ] );
    }
 
    protected function getContentClass() {
        return JsonContent::class;
    }
 
    public function makeEmptyContent() {
        $class = $this->getContentClass();
        return new $class( '{}' );
    }
 
    public function preSaveTransform(
        Content $content,
        PreSaveTransformParams $pstParams
    ): Content {
        $shouldCallDeprecatedMethod = $this->shouldCallDeprecatedContentTransformMethod(
            $content,
            $pstParams
        );
 
        if ( $shouldCallDeprecatedMethod ) {
            return $this->callDeprecatedContentPST(
                $content,
                $pstParams
            );
        }
 
        '@phan-var JsonContent $content';
 
        // FIXME: WikiPage::doEditContent invokes PST before validation. As such, native data
        // may be invalid (though PST result is discarded later in that case).
        if ( !$content->isValid() ) {
            return $content;
        }
 
        $contentClass = $this->getContentClass();
        return new $contentClass( JsonContent::normalizeLineEndings( $content->beautifyJSON() ) );
    }
}