Function init

ui/media/js/image-modal.js:144–175

* @param {() => (string | ImageModalRequest) | string | ImageModalRequest} optionsFactory

(optionsFactory)

     * @param {() => (string | ImageModalRequest) | string | ImageModalRequest} optionsFactory
     */
    function init(optionsFactory) {
        if (!optionsFactory) {
            close()
            return
        }

        clear()

        const options = typeof optionsFactory === "function" ? optionsFactory() : optionsFactory
        const src = typeof options === "string" ? options : options.src

        const imgElem = createElement("img", { src }, "natural-zoom")
        addImageGrabbing(imgElem)
        imageContainer.appendChild(imgElem)
        modalElem.classList.add("active")
        document.body.style.overflow = "hidden"
        setZoomLevel(false)

        if (typeof options === "object" && options.previous) {
            state.previous = options.previous
            backElem.style.display = "unset"
        } else {
            backElem.style.display = "none"
        }

        if (typeof options === "object" && options.next) {
            state.next = options.next
            forwardElem.style.display = "unset"
        } else {
            forwardElem.style.display = "none"
        }
    }

    const back = () => {
        if (state.previous) {