Support infinite carousels #27
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…port infinite carousels
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I finally came across a requirement for infinite carousels so I've made a minor tweak to react snap carousel to better support them.
The tweak isn't directly related to infinite carousels, but it helps with the implementation I'm using -- an example of which can be found in this PR.
Long story short, you can now add a data attribute
<li data-should-snap="true" />to an item and it will become a snap point -- that is to say it will be used as the first item of a new page of items.Why is it a DOM attribute and not a React prop?
Fundamentally React Snap Carousel computes "pages" based on the DOM layout which isn't modelled in React code, so it seems both appropriate and pragmatic to offer up a DOM-based API to tell React Snap Carousel where to start a page from -- it's conceptually the same as adding some CSS to an item, causing the page groupings to change.