Wrong indexing in infinite scroll mode

[vedmaque]

Describe the bug
I've updgaded to 0.3.x version and infinite scroll mode seems to be broken.

To Reproduce
Steps to reproduce the behavior:

1. Set infiniteScroll to true
2. See the generated html. Some of slides will have is-current class, most of them will have is-prev class. Indexes of 3 slides looks like this [0, 1, 2, 0, 1, 2, -3, -2, -1] (see screenshot)

Expected behavior
Expect prev slides to have is-prev class, next slides to have is-next slides.
Expect indexes like this [-3, -2, -1, 0, 1, 2, 3, 4, 5] for the 3 slides count

Screenshots
https://jmp.sh/1elHRxg

Desktop:

• OS: macOS 10.14.5
• Browser: Chrome
• Version: 75.0

[logaretm]

Thanks for reporting this, I found the issue and fixed it. This will be available shortly in the next release.