codemirror get object from textarea

function getCodeMirrorJQuery(target) {
    
    var $target = target instanceof jQuery ? target : $(target);
    if ($target.length === 0) {
        return false;
    } else {
        console.log('found target!');
    }

    if (!$target.hasClass('CodeMirror')) {
        if ($target.is('textarea')) {
            $target = $target.next('.CodeMirror');
        } else {
          return false;
        }
    } else {
      return false;
    }

    return $target.get(0).CodeMirror;
};