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"use strict"; |
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|
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(function ($) { |
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const clamp = (value, min, max) => Math.min(Math.max(value, min), max); |
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|
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const parseSettings = (root) => { |
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if (!root || !root.dataset) { |
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return {}; |
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} |
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|
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try { |
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return JSON.parse(root.dataset.settings || "{}"); |
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} catch (e) { |
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return {}; |
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} |
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}; |
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|
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const getScrollTop = () => |
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window.pageYOffset || document.documentElement.scrollTop || 0; |
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|
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const getOffsetTop = (element) => { |
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const rect = element.getBoundingClientRect(); |
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return rect.top + getScrollTop(); |
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}; |
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|
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const initScrollStory = ($scope) => { |
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const root = $scope.find(".king-addons-scroll-story")[0]; |
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if (!root || root.dataset.scrollStoryInit === "yes") { |
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return; |
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} |
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|
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const steps = Array.from( |
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root.querySelectorAll(".king-addons-scroll-story__step") |
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); |
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const panels = Array.from( |
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root.querySelectorAll(".king-addons-scroll-story__panel") |
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); |
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const list = root.querySelector(".king-addons-scroll-story__steps"); |
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|
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if (!steps.length || steps.length !== panels.length) { |
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return; |
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} |
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|
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root.dataset.scrollStoryInit = "yes"; |
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|
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const settings = parseSettings(root); |
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const activationOffset = clamp( |
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Number(settings.activationOffset) || 40, |
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10, |
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80 |
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); |
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const smoothScroll = |
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settings.smoothScroll !== false && |
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settings.smoothScroll !== "no" && |
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settings.smoothScroll !== "0"; |
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const scrollDuration = Math.max( |
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Number(settings.scrollDuration) || 600, |
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0 |
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); |
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|
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const prefersReduced = |
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window.matchMedia && |
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window.matchMedia("(prefers-reduced-motion: reduce)").matches; |
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const isEditor = |
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window.elementorFrontend && |
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elementorFrontend.isEditMode && |
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elementorFrontend.isEditMode(); |
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|
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let activeIndex = -1; |
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|
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const setActive = (index) => { |
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const nextIndex = clamp(index, 0, steps.length - 1); |
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if (nextIndex === activeIndex) { |
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return; |
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} |
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|
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activeIndex = nextIndex; |
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root.setAttribute("data-active-index", String(activeIndex)); |
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|
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steps.forEach((step, idx) => { |
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const isActive = idx === activeIndex; |
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step.classList.toggle("is-active", isActive); |
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step.classList.toggle("is-completed", idx < activeIndex); |
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step.classList.toggle("is-upcoming", idx > activeIndex); |
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|
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const button = step.querySelector( |
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".king-addons-scroll-story__step-button" |
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); |
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if (button) { |
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if (isActive) { |
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button.setAttribute("aria-current", "step"); |
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} else { |
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button.removeAttribute("aria-current"); |
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} |
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} |
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}); |
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|
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panels.forEach((panel, idx) => { |
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const isActive = idx === activeIndex; |
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panel.classList.toggle("is-active", isActive); |
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panel.setAttribute("aria-hidden", isActive ? "false" : "true"); |
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if (isActive) { |
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panel.removeAttribute("hidden"); |
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} else { |
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panel.setAttribute("hidden", "hidden"); |
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} |
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}); |
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}; |
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|
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const getClosestIndex = () => { |
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const threshold = window.innerHeight * (activationOffset / 100); |
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let intersecting = null; |
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let lastAbove = null; |
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|
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steps.forEach((step, idx) => { |
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const rect = step.getBoundingClientRect(); |
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if (rect.top <= threshold && rect.bottom >= threshold) { |
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intersecting = idx; |
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} |
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if (rect.top <= threshold) { |
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lastAbove = idx; |
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} |
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}); |
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|
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if (intersecting !== null) { |
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return intersecting; |
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} |
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|
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if (list) { |
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const listRect = list.getBoundingClientRect(); |
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if (listRect.top >= 0 && listRect.bottom < threshold) { |
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return activeIndex >= 0 ? activeIndex : 0; |
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} |
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} |
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|
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if (lastAbove !== null) { |
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return lastAbove; |
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} |
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|
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return activeIndex >= 0 ? activeIndex : 0; |
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}; |
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|
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const smoothScrollTo = (targetY, duration) => { |
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if (prefersReduced || duration <= 0) { |
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window.scrollTo(0, targetY); |
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return; |
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} |
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|
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const startY = getScrollTop(); |
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const distance = targetY - startY; |
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const startTime = |
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(window.performance && performance.now()) || Date.now(); |
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|
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const easeInOutQuad = (t) => |
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t < 0.5 ? 2 * t * t : 1 - Math.pow(-2 * t + 2, 2) / 2; |
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|
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const tick = (now) => { |
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const currentTime = |
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(window.performance && performance.now()) || now; |
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const elapsed = currentTime - startTime; |
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const progress = Math.min(elapsed / duration, 1); |
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const eased = easeInOutQuad(progress); |
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|
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window.scrollTo(0, startY + distance * eased); |
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|
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if (progress < 1) { |
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window.requestAnimationFrame(tick); |
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} |
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}; |
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|
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window.requestAnimationFrame(tick); |
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}; |
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|
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const scrollToStep = (index) => { |
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const target = steps[index]; |
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if (!target) { |
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return; |
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} |
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|
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const offsetPx = window.innerHeight * (activationOffset / 100); |
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const targetTop = Math.max(getOffsetTop(target) - offsetPx, 0); |
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|
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if (!smoothScroll || prefersReduced) { |
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window.scrollTo(0, targetTop); |
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return; |
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} |
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|
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smoothScrollTo(targetTop, scrollDuration); |
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}; |
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|
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steps.forEach((step, index) => { |
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const button = step.querySelector( |
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".king-addons-scroll-story__step-button" |
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); |
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if (!button) { |
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return; |
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} |
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|
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button.addEventListener("click", (event) => { |
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event.preventDefault(); |
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setActive(index); |
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if (!isEditor) { |
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scrollToStep(index); |
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} |
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}); |
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|
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button.addEventListener("keydown", (event) => { |
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if (event.key !== "Enter" && event.key !== " ") { |
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return; |
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} |
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event.preventDefault(); |
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setActive(index); |
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if (!isEditor) { |
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scrollToStep(index); |
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} |
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}); |
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}); |
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|
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if (isEditor) { |
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setActive(0); |
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return; |
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} |
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|
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setActive(getClosestIndex()); |
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|
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if ("IntersectionObserver" in window) { |
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const observerMargin = `-${activationOffset}% 0px -${ |
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100 - activationOffset |
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}% 0px`; |
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const observer = new IntersectionObserver( |
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(entries) => { |
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const shouldUpdate = entries.some( |
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(entry) => entry.isIntersecting |
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); |
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if (shouldUpdate) { |
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setActive(getClosestIndex()); |
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} |
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}, |
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{ |
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rootMargin: observerMargin, |
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threshold: 0, |
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} |
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); |
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|
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steps.forEach((step) => observer.observe(step)); |
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} else { |
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let ticking = false; |
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const onScroll = () => { |
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if (ticking) { |
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return; |
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} |
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ticking = true; |
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window.requestAnimationFrame(() => { |
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setActive(getClosestIndex()); |
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ticking = false; |
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}); |
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}; |
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window.addEventListener("scroll", onScroll, { passive: true }); |
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} |
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|
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window.addEventListener("resize", () => { |
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setActive(getClosestIndex()); |
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}); |
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}; |
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|
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$(window).on("elementor/frontend/init", () => { |
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elementorFrontend.hooks.addAction( |
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"frontend/element_ready/king-addons-scroll-story-sections.default", |
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initScrollStory |
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); |
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}); |
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})(jQuery); |
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|
