SkinAuthenticationPopup.php

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<?php
 
use MediaWiki\Html\HtmlHelper;
use Wikimedia\RemexHtml\Serializer\SerializerNode;
 
class SkinAuthenticationPopup extends SkinMustache {
 
    private static function openLinksInNewWindow( string &$html ): void {
        $html = HtmlHelper::modifyElements(
            $html,
            static function ( SerializerNode $node ): bool {
                return $node->name === 'a'
                    && isset( $node->attrs['href'] )
                    && !str_contains( $node->attrs['class'] ?? '', 'mw-authentication-popup-link' );
            },
            static function ( SerializerNode $node ): SerializerNode {
                $node->attrs['target'] ??= '_blank';
                return $node;
            }
        );
    }
 
    public function getTemplateData() {
        $data = parent::getTemplateData();
 
        // This skin is intended to be shown in small popups, therefore open all links in new windows,
        // except those explicitly marked. The CSS class can also be added by extensions.
        self::openLinksInNewWindow( $data['html-body-content'] );
        foreach ( $data['data-footer'] as &$footerItems ) {
            foreach ( $footerItems['array-items'] as &$item ) {
                self::openLinksInNewWindow( $item['html'] );
            }
        }
 
        return $data;
    }
 
}