Bolt\Composer\ScriptHandler::getOption PHP Method

    protected static function getOption(Event $event, $key, $default = null)
    {
        $key = 'bolt-' . $key;
        if ($value = getenv(strtoupper(str_replace('-', '_', $key)))) {
            return $value;
        }
        $extra = $event->getComposer()->getPackage()->getExtra();
        return isset($extra[$key]) ? $extra[$key] : $default;
    }