if (preg_match('/(text|application)\/javascript/i', $response->getHeader('Content-Type'))) {
return SetupResult::success();
}
} catch (\Throwable $e) {
$this->logger->debug('Can not connect to local server for checking JavaScript modules support', ['exception' => $e, 'url' => $testURL]);
return SetupResult::warning($this->l10n->t('Could not check for JavaScript support. Please check manually if your webserver serves `.mjs` files using the JavaScript MIME type.'));
}
}
return SetupResult::error($this->l10n->t('Your webserver does not serve `.mjs` files using the JavaScript MIME type. This will break some apps by preventing browsers from executing the JavaScript files. You should configure your webserver to serve `.mjs` files with either the `text/javascript` or `application/javascript` MIME type.'));