Update Vertical Slider

Hello, I am using ion-slide-page (Swiper) and am trying to dynamically add and remove slides as the user swipes between them. But when I dynamically add a new slide, I am unable to swipe to it.

Here is an issue in a codepen.

So I pretty much only have 3 slides present at any time, and as you swipe between slides those are supposed to update, but I can only slide between the original three slides in the vertical slider.

Any help would be really appreciated!