in themes/kube/static/js/kube.js [978:994]
open: function(e)
{
if (e) e.preventDefault();
if (!this.isOpened())
{
this.closeAll();
this.callback('open');
this.$target.addClass('offcanvas-' + this.opts.direction);
this.$target.css('width', this.opts.width);
this.pushBody();
this.$target.animation(this.opts.animationOpen, $.proxy(this.onOpened, this));
}
},