async function initInstagramFeed(el) { try { var instagramRoot = el; var fragment = new DocumentFragment(); instagramRoot.innerHTML = `

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` var response = await fetch("/ext/instagram-feed/api/media/list"); var output = await response.json(); var data = output.data; var paging = output.paging; data.forEach(function (d) { var imageWrapper = document.createElement('div'); imageWrapper.setAttribute("class", "slide"); var img = document.createElement('img'); img.setAttribute("src", d.media_url); imageWrapper.appendChild(img); var captionWrapper = document.createElement('div'); captionWrapper.setAttribute("class", "caption"); d.caption && d.caption.split('\n').forEach(str => { captionWrapper.appendChild(document.createTextNode(str || "")); captionWrapper.appendChild(document.createElement('br')); }) imageWrapper.appendChild(captionWrapper); fragment.appendChild(imageWrapper); }) instagramRoot.getElementsByClassName("carousel-content")[0].appendChild(fragment); instagramRoot.classList.add("remove-shimmer") var carousel = instagramRoot.querySelector('.carousel'); var carouselContent = instagramRoot.querySelector('.carousel-content'); var slides = instagramRoot.querySelectorAll('.slide'); var arrayOfSlides = Array.prototype.slice.call(slides); getScreenSize(); var lengthOfSlide; function addClone() { var lastSlide = carouselContent.lastElementChild.cloneNode(true); lastSlide.style.left = (-lengthOfSlide) + "px"; carouselContent.insertBefore(lastSlide, carouselContent.firstChild); } // addClone(); function removeClone() { var firstSlide = carouselContent.firstElementChild; firstSlide.parentNode.removeChild(firstSlide); } function moveSlidesRight() { var slides = instagramRoot.querySelectorAll('.slide'); var slidesArray = Array.prototype.slice.call(slides); var width = 0; slidesArray.forEach(function (el, i) { el.style.left = width + "px"; width += lengthOfSlide; }); addClone(); } moveSlidesRight(); function moveSlidesLeft() { var slides = instagramRoot.querySelectorAll('.slide'); var slidesArray = Array.prototype.slice.call(slides); slidesArray = slidesArray.reverse(); var maxWidth = (slidesArray.length - 1) * lengthOfSlide; slidesArray.forEach(function (el, i) { maxWidth -= lengthOfSlide; el.style.left = maxWidth + "px"; }); } window.addEventListener('resize', getScreenSize); function getScreenSize() { var slides = instagramRoot.querySelectorAll('.slide'); var slidesArray = Array.prototype.slice.call(slides); lengthOfSlide = (carousel.offsetWidth / 5); var initialWidth = -lengthOfSlide; slidesArray.forEach(function (el) { console.log({ lengthOfSlide, initialWidth }) el.style.width = lengthOfSlide + "px"; el.style.left = initialWidth + "px"; initialWidth += lengthOfSlide; }); } var rightNav = instagramRoot.querySelector('.nav-right'); rightNav.addEventListener('click', moveLeft); var moving = true; function moveRight() { if (moving) { moving = false; var lastSlide = carouselContent.lastElementChild; lastSlide.parentNode.removeChild(lastSlide); carouselContent.insertBefore(lastSlide, carouselContent.firstChild); removeClone(); var firstSlide = carouselContent.firstElementChild; firstSlide.addEventListener('transitionend', activateAgain); moveSlidesRight(); } } function activateAgain() { var firstSlide = carouselContent.firstElementChild; moving = true; firstSlide.removeEventListener('transitionend', activateAgain); } var leftNav = instagramRoot.querySelector('.nav-left'); leftNav.addEventListener('click', moveRight); // var moveLeftAgain = true; function moveLeft() { if (moving) { moving = false; removeClone(); var firstSlide = carouselContent.firstElementChild; firstSlide.addEventListener('transitionend', replaceToEnd); moveSlidesLeft(); } } function replaceToEnd() { var firstSlide = carouselContent.firstElementChild; firstSlide.parentNode.removeChild(firstSlide); carouselContent.appendChild(firstSlide); firstSlide.style.left = ((arrayOfSlides.length - 1) * lengthOfSlide) + "px"; addClone(); moving = true; firstSlide.removeEventListener('transitionend', replaceToEnd); } carouselContent.addEventListener('mousedown', seeMovement); var initialX; var initialPos; function seeMovement(e) { initialX = e.clientX; getInitialPos(); carouselContent.addEventListener('mousemove', slightMove); document.addEventListener('mouseup', moveBasedOnMouse); } function slightMove(e) { if (moving) { var movingX = e.clientX; var difference = initialX - movingX; if (Math.abs(difference) < (lengthOfSlide / 4)) { slightMoveSlides(difference); } } } function getInitialPos() { var slides = instagramRoot.querySelectorAll('.slide'); var slidesArray = Array.prototype.slice.call(slides); initialPos = []; slidesArray.forEach(function (el) { var left = Math.floor(parseInt(el.style.left.slice(0, -2))); initialPos.push(left); }); } function slightMoveSlides(newX) { var slides = instagramRoot.querySelectorAll('.slide'); var slidesArray = Array.prototype.slice.call(slides); slidesArray.forEach(function (el, i) { var oldLeft = initialPos[i]; el.style.left = (oldLeft + newX) + "px"; }); } function moveBasedOnMouse(e) { var finalX = e.clientX; if (initialX - finalX > 0) { moveRight(); } else if (initialX - finalX < 0) { moveLeft(); } document.removeEventListener('mouseup', moveBasedOnMouse); carouselContent.removeEventListener('mousemove', slightMove); } } catch (err) { console.log(err) } } FPI.extension.register('#instagram-feed', { mounted(el, ...rest) { console.log('mounted', rest); initInstagramFeed(el); }, });

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