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25 changes: 22 additions & 3 deletions src/swiffy-slider.js
Original file line number Diff line number Diff line change
@@ -1,11 +1,13 @@
const swiffyslider = function() {
const swiffyslider = function () {
return {
version: "1.6.0",
init(rootElement = document.body) {
rootElement.querySelectorAll(".swiffy-slider").forEach(sliderElement => this.initSlider(sliderElement));
},

initSlider(sliderElement) {
this.adjustForParentPadding(sliderElement); // Adjust for parent padding dynamically

sliderElement.querySelectorAll(".slider-nav").forEach(navElement =>
navElement.addEventListener("click", () => this.slide(sliderElement, navElement.classList.contains("slider-nav-next")), { passive: true })
);
Expand All @@ -23,6 +25,23 @@ const swiffyslider = function() {
}
},

adjustForParentPadding(sliderElement) {
const sliderContainer = sliderElement.querySelector(".slider-container");
if (!sliderContainer) {
return;
}
let totalPadding = 0;
let currentElement = sliderContainer.parentElement;
while (currentElement) {
const styles = getComputedStyle(currentElement);
const paddingLeft = parseFloat(styles.paddingLeft) || 0;
const paddingRight = parseFloat(styles.paddingRight) || 0;
totalPadding += paddingLeft + paddingRight;
currentElement = currentElement.parentElement;
}
sliderContainer.style.setProperty("--swiffy-slider-item-reveal", `${totalPadding}px`);
},

setVisibleSlides(sliderElement, threshold = 0.3) {
let observer = new IntersectionObserver(slides => {
slides.forEach(slide => {
Expand Down Expand Up @@ -142,4 +161,4 @@ if (!document.currentScript.hasAttribute("data-noinit")) {
}
}
}
}
}