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nil check slides before running auto-animate transition #3592
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@@ -31,10 +31,13 @@ export default class AutoAnimate {
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let toSlideIndex = allSlides.indexOf( toSlide );
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let toSlideIndex = allSlides.indexOf( toSlide );
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let fromSlideIndex = allSlides.indexOf( fromSlide );
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let fromSlideIndex = allSlides.indexOf( fromSlide );
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// Ensure that both slides are auto-animate targets with the same data-auto-animate-id value
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// Ensure that;
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// (including null if absent on both) and that data-auto-animate-restart isn't set on the
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// 1. Both slides exist.
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// physically latter slide (independent of slide direction)
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// 2. Both slides are auto-animate targets with the same
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if( fromSlide.hasAttribute( 'data-auto-animate' ) && toSlide.hasAttribute( 'data-auto-animate' )
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// data-auto-animate-id value (including null if absent on both).
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// 3. data-auto-animate-restart isn't set on the physically latter
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// slide (independent of slide direction).
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if( fromSlide && toSlide && fromSlide.hasAttribute( 'data-auto-animate' ) && toSlide.hasAttribute( 'data-auto-animate' )
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&& fromSlide.getAttribute( 'data-auto-animate-id' ) === toSlide.getAttribute( 'data-auto-animate-id' )
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&& fromSlide.getAttribute( 'data-auto-animate-id' ) === toSlide.getAttribute( 'data-auto-animate-id' )
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&& !( toSlideIndex > fromSlideIndex ? toSlide : fromSlide ).hasAttribute( 'data-auto-animate-restart' ) ) {
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&& !( toSlideIndex > fromSlideIndex ? toSlide : fromSlide ).hasAttribute( 'data-auto-animate-restart' ) ) {
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