Function previousImage

ui/media/js/main.js:480–484

(img)

            const imageExpandBtn = imageItemElem.querySelector(".imgExpandBtn")
            imageExpandBtn.addEventListener("click", function () {
                function previousImage(img) {
                    const allImages = Array.from(outputContainer.parentNode.querySelectorAll(".imgItem img"))
                    const index = allImages.indexOf(img)
                    return allImages.slice(0, index).reverse()[0]
                }

                function nextImage(img) {
                    const allImages = Array.from(outputContainer.parentNode.querySelectorAll(".imgItem img"))