app/
    code/
        Jasonalvis/
            Twitter/
                Api/
                Block/
                etc/
                Model/
                view/

magento setup:di:compile

[Exception]
Notice: Uninitialized string offset: 1 in /Users/user_name/Sites/magento2/setup/src/Magento/Setup/Module/Di/Code/Reader/FileScanner.php on line 326

namespace JasonalvisTwitterBlock;

require $_SERVER['DOCUMENT_ROOT'] . "/app/code/Jasonalvis/Twitter/Api/vendor/autoload.php";

use AbrahamTwitterOAuthTwitterOAuth;

class Tweets extends MagentoFrameworkViewElementTemplate
{
...
...