Discourse Console test J Keyboard Bind on load more

gistfile1.js

Discourse.KeyboardShortcuts._moveSelection = function(direction) {
    var $articles = this._findArticles();

    if (typeof $articles === 'undefined') {
      return;
    }

    var $selected = $articles.filter('.selected'),
        index = $articles.index($selected);

    if($selected.length !== 0){ //boundries check
      // loop is not allowed
      if (direction === -1 && index === 0) { return; }
      if (direction === 1 && index === ($articles.size()-1) ) { return;}  
    }

    // if nothing is selected go to the first post on screen
    if ($selected.length === 0) {
      var scrollTop = $(document).scrollTop();

      index = 0;
      $articles.each(function(){
        var top = $(this).position().top;
        if(top > scrollTop) {
          return false;
        }
        index += 1;
      });

      if(index >= $articles.length){
        index = $articles.length - 1;
      }

      direction = 0;
    }

    var $article = $articles.eq(index + direction);

    if ($article.size() > 0) {
      $articles.removeClass('selected');
      $article.addClass('selected');
      
      var rgx = new RegExp("post-cloak-(\\d+)").exec($article.parent()[0].id);
      if (rgx === null || typeof rgx[1] === 'undefined') {
          this._scrollList($article, direction);
      } else {
          Discourse.URL.jumpToPost(rgx[1]);
      }
    }
  }