Feat: added tabindex logic for better accessibility support #2422
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This PR aims to add
tabIndexsupport for better accessibility, since alltabIndexinside the project are always set to-1.The main solution consists into:
src/track.js
Added the correct
tabIndexbased on the classslick-activesrc/slider.js
This one was a little bit more complex to add the support, so I went with the
IntersectionObserver, which will add to the element itself the correcttabIndex.We also use a list of refs to add the observer correctly to the elements rendered.