Fonts::proxyFontUrl

static function proxyFontUrl(string $fontString): string
{
	$defaultDomain = 'fonts.googleapis.com';
	$proxyDomain = $defaultDomain;
	if (Loader::includeModule('ui'))
	{
		$proxyDomain = UIFontsProxy::resolveDomain(Manager::getZone());
	}

	return ($defaultDomain !== $proxyDomain)
		? str_replace($defaultDomain, $proxyDomain, $fontString)
		: $fontString
	;
}