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Swipe Carousel
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.carousel { | |
position: relative; | |
} | |
.carousel__slider { | |
display: flex; | |
align-items: center; | |
flex-wrap: nowrap; | |
overflow-x: auto; | |
scroll-snap-type: x mandatory; | |
scrollbar-width: none; | |
} | |
.carousel__slider::-webkit-scrollbar { | |
width: 0 !important; | |
} | |
.carousel__slide { | |
width: 100%; | |
flex: none; | |
scroll-snap-align: center; | |
} | |
.carousel__button { | |
position: absolute; | |
top: 50%; | |
color: var(--color-light); | |
width: 3rem; | |
height: 3rem; | |
cursor: pointer; | |
background: none; | |
border: none; | |
} | |
.carousel__button:before { | |
content: ''; | |
display: block; | |
width: 100%; | |
height: 100%; | |
background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="white" stroke-width="2"><path stroke-linecap="round" stroke-linejoin="round" d="M9 5l7 7-7 7" /></svg>') no-repeat center / contain; | |
} | |
.carousel__button[data-mode='prev'] { | |
left: 0; | |
transform: rotate(180deg); | |
} | |
.carousel__button[data-mode='next'] { | |
right: 0; | |
} |
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<swipe-carousel> | |
<div class="carousel"> | |
<ul class="carousel__slider" role="list" data-carousel> | |
<li class="carousel__slide" data-carousel-slide></li> | |
</ul> | |
<button class="carousel__button" data-mode="prev"></button> | |
<button class="carousel__button" data-mode="next"></button> | |
</div> | |
</swipe-carousel> |
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class SwipeCarousel extends HTMLElement { | |
connectedCallback() { | |
this.scroller = this.querySelector('[data-carousel]'); | |
this.elements = [...this.scroller.querySelectorAll('[data-carousel-slide]')]; | |
this.prevButton = this.querySelector('[data-mode="prev"]'); | |
this.nextButton = this.querySelector('[data-mode="next"]'); | |
this.activeIndex = this.getActive(); | |
this.addEvents(); | |
} | |
getActive() { | |
const first = this.elements.find((el) => { | |
return el.offsetLeft >= this.scroller.scrollLeft; | |
}); | |
if (first) { | |
const index = this.elements.findIndex((e) => e === first); | |
return index; | |
} | |
return null; | |
} | |
addEvents() { | |
this.scroller.addEventListener('scroll', (e) => { | |
this.activeIndex = this.getActive(); | |
}); | |
if (this.prevButton) { | |
this.prevButton.addEventListener('click', () => { | |
const element = this.elements[this.activeIndex - 1]; | |
if (element) { | |
this.scroller.scrollTo({ | |
left: element.offsetLeft, | |
behavior: 'smooth', | |
}); | |
} | |
}); | |
} | |
if (this.nextButton) { | |
this.nextButton.addEventListener('click', () => { | |
const element = this.elements[this.activeIndex + 1]; | |
if (element) { | |
this.scroller.scrollTo({ | |
left: element.offsetLeft, | |
behavior: 'smooth', | |
}); | |
} | |
}); | |
} | |
} | |
} | |
window.customElements.define('swipe-carousel', SwipeCarousel); |
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