MediaWikiPageNameValidator.php

<?php
declare( strict_types = 1 );
 
namespace MediaWiki\Extension\Translate\Validation\Validators;
 
use MediaWiki\Extension\Translate\MessageLoading\Message;
use MediaWiki\Extension\Translate\Validation\MessageValidator;
use MediaWiki\Extension\Translate\Validation\ValidationIssue;
use MediaWiki\Extension\Translate\Validation\ValidationIssues;
 
class MediaWikiPageNameValidator implements MessageValidator {
    public function getIssues( Message $message, string $targetLanguage ): ValidationIssues {
        $issues = new ValidationIssues();
 
        $definition = $message->definition();
        $translation = $message->translation();
 
        $namespaces = 'help|project|\{\{ns:project}}|mediawiki';
        $matches = [];
        if ( preg_match( "/^($namespaces):[\w\s]+$/ui", $definition, $matches ) &&
            !preg_match( "/^{$matches[1]}:.+$/u", $translation )
        ) {
            $issue = new ValidationIssue(
                'pagename',
                'namespace',
                'translate-checks-pagename'
            );
            $issues->add( $issue );
        }
 
        return $issues;
    }
}