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add carousel #4

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anton merged 3 commits from carousel into main 2024-03-28 23:21:50 +00:00
Conversation 0 Commits 3 Files Changed 4 +18 -9
3 changed files with 18 additions and 9 deletions
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2
_layouts/landing.html
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@ -19,7 +19,7 @@
</div> </div>
</div> </div>
<div class="flex-container-inner carousel-container"> <div class="flex-container-inner carousel-container">
<div class="carousel"></div> <div id="carousel"></div>
<br> <br>
<div style="margin-left: 10px; font-size: 14px"> <div style="margin-left: 10px; font-size: 14px">
<a style="color: rgb(73, 73, 73)" href="../assets/js/carousel-items.json">Full list of articles</a> <a style="color: rgb(73, 73, 73)" href="../assets/js/carousel-items.json">Full list of articles</a>

2
_sass/base.scss
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@ -840,7 +840,7 @@ pre {
padding-left: 80px; padding-left: 80px;
} }
.carousel { #carousel {
display: flex; display: flex;
flex-direction: column; flex-direction: column;
align-items: center; align-items: center;

23
assets/js/main.js
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@ -20,17 +20,26 @@ document.addEventListener('DOMContentLoaded', function () {
}); });
function createCarouselItems(items) { function createCarouselItems(items) {
const carousel = document.querySelector('.carousel'); const carousel = document.querySelector('#carousel');
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ryan commented 2023-12-28 03:32:14 +00:00
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nit: use an id instead of a class

nit: use an id instead of a class
items.forEach(item => { items.forEach(item => {
const itemDiv = document.createElement('div'); const itemDiv = document.createElement('div');
itemDiv.className = 'carousel-item'; itemDiv.className = 'carousel-item'
itemDiv.innerHTML = `<a class="carousel-link" target="_blank" rel="noopener noreferrer" href="${item.link}">${item.description}</a>`;
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ryan commented 2023-12-28 03:33:10 +00:00
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nit: create the <a> element in code and change the href and innerText manually to avoid XSS

nit: create the `<a>` element in code and change the href and innerText manually to avoid XSS
ryan commented 2023-12-28 03:33:31 +00:00
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yes we control both the content and the code but it's a good practice to avoid XSS

yes we control both the content and the code but it's a good practice to avoid XSS
const link = document.createElement('a');
link.className = 'carousel-link';
link.href = item.link;
link.target = '_blank';
link.rel = 'noopener noreferrer';
const linkText = document.createTextNode(item.description);
link.appendChild(linkText);
itemDiv.appendChild(link);
carousel.appendChild(itemDiv); carousel.appendChild(itemDiv);
}); });
} }
function initializeCarousel() { function initializeCarousel() {
const carousel = document.querySelector('.carousel'); const carousel = document.querySelector('#carousel');
const items = Array.from(carousel.children); const items = Array.from(carousel.children);
const totalItems = items.length; const totalItems = items.length;
const middleIndex = Math.floor(totalItems / 2); const middleIndex = Math.floor(totalItems / 2);
@ -45,12 +54,12 @@ function initializeCarousel() {
items.forEach((item, index) => { items.forEach((item, index) => {
let positionIndex = (currentIndex + index + totalItems) % totalItems; let positionIndex = (currentIndex + index + totalItems) % totalItems;
let offset = positionIndex - middleIndex; let offset = positionIndex - middleIndex;
item.style.transform = `translateY(${offset * 100}%)`; item.style.transform = `translateY(${offset * 100}%)`;
item.classList.toggle('active', positionIndex === middleIndex); item.classList.toggle('active', positionIndex === middleIndex);
item.style.visibility = 'visible'; item.style.visibility = 'visible';
}); });
} }
updateCarouselItems(); updateCarouselItems();
setInterval(cycleItems, 7000); setInterval(cycleItems, 7000);
} }