import { defineComponent, useAttrs, ref, computed, nextTick, watch, onMounted, openBlock, createElementBlock, normalizeClass, unref, normalizeStyle, renderSlot, createElementVNode, toDisplayString, Fragment, mergeProps, createCommentVNode, createBlock, withCtx } from 'vue';
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import { isClient, useThrottleFn, useEventListener } from '@vueuse/core';
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import '../../../hooks/index.mjs';
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import { ElImageViewer } from '../../image-viewer/index.mjs';
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import '../../../utils/index.mjs';
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import { imageProps, imageEmits } from './image.mjs';
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import _export_sfc from '../../../_virtual/plugin-vue_export-helper.mjs';
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import { useLocale } from '../../../hooks/use-locale/index.mjs';
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import { useNamespace } from '../../../hooks/use-namespace/index.mjs';
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import { useAttrs as useAttrs$1 } from '../../../hooks/use-attrs/index.mjs';
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import { isInContainer } from '../../../utils/dom/position.mjs';
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import { isElement } from '../../../utils/types.mjs';
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import { isString } from '@vue/shared';
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import { getScrollContainer } from '../../../utils/dom/scroll.mjs';
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const _hoisted_1 = ["src", "loading"];
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const _hoisted_2 = { key: 0 };
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const __default__ = defineComponent({
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name: "ElImage",
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inheritAttrs: false
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});
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const _sfc_main = /* @__PURE__ */ defineComponent({
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...__default__,
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props: imageProps,
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emits: imageEmits,
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setup(__props, { emit }) {
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const props = __props;
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let prevOverflow = "";
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const { t } = useLocale();
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const ns = useNamespace("image");
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const rawAttrs = useAttrs();
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const attrs = useAttrs$1();
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const imageSrc = ref();
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const hasLoadError = ref(false);
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const isLoading = ref(true);
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const showViewer = ref(false);
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const container = ref();
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const _scrollContainer = ref();
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const supportLoading = isClient && "loading" in HTMLImageElement.prototype;
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let stopScrollListener;
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let stopWheelListener;
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const containerStyle = computed(() => rawAttrs.style);
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const imageStyle = computed(() => {
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const { fit } = props;
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if (isClient && fit) {
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return { objectFit: fit };
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}
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return {};
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});
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const preview = computed(() => {
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const { previewSrcList } = props;
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return Array.isArray(previewSrcList) && previewSrcList.length > 0;
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});
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const imageIndex = computed(() => {
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const { previewSrcList, initialIndex } = props;
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let previewIndex = initialIndex;
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if (initialIndex > previewSrcList.length - 1) {
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previewIndex = 0;
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}
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return previewIndex;
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});
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const isManual = computed(() => {
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if (props.loading === "eager")
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return false;
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return !supportLoading && props.loading === "lazy" || props.lazy;
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});
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const loadImage = () => {
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if (!isClient)
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return;
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isLoading.value = true;
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hasLoadError.value = false;
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imageSrc.value = props.src;
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};
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function handleLoad(event) {
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isLoading.value = false;
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hasLoadError.value = false;
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emit("load", event);
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}
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function handleError(event) {
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isLoading.value = false;
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hasLoadError.value = true;
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emit("error", event);
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}
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function handleLazyLoad() {
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if (isInContainer(container.value, _scrollContainer.value)) {
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loadImage();
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removeLazyLoadListener();
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}
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}
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const lazyLoadHandler = useThrottleFn(handleLazyLoad, 200, true);
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async function addLazyLoadListener() {
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var _a;
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if (!isClient)
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return;
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await nextTick();
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const { scrollContainer } = props;
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if (isElement(scrollContainer)) {
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_scrollContainer.value = scrollContainer;
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} else if (isString(scrollContainer) && scrollContainer !== "") {
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_scrollContainer.value = (_a = document.querySelector(scrollContainer)) != null ? _a : void 0;
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} else if (container.value) {
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_scrollContainer.value = getScrollContainer(container.value);
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}
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if (_scrollContainer.value) {
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stopScrollListener = useEventListener(_scrollContainer, "scroll", lazyLoadHandler);
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setTimeout(() => handleLazyLoad(), 100);
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}
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}
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function removeLazyLoadListener() {
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if (!isClient || !_scrollContainer.value || !lazyLoadHandler)
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return;
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stopScrollListener == null ? void 0 : stopScrollListener();
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_scrollContainer.value = void 0;
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}
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function wheelHandler(e) {
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if (!e.ctrlKey)
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return;
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if (e.deltaY < 0) {
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e.preventDefault();
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return false;
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} else if (e.deltaY > 0) {
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e.preventDefault();
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return false;
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}
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}
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function clickHandler() {
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if (!preview.value)
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return;
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stopWheelListener = useEventListener("wheel", wheelHandler, {
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passive: false
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});
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prevOverflow = document.body.style.overflow;
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document.body.style.overflow = "hidden";
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showViewer.value = true;
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emit("show");
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}
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function closeViewer() {
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stopWheelListener == null ? void 0 : stopWheelListener();
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document.body.style.overflow = prevOverflow;
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showViewer.value = false;
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emit("close");
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}
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function switchViewer(val) {
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emit("switch", val);
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}
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watch(() => props.src, () => {
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if (isManual.value) {
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isLoading.value = true;
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hasLoadError.value = false;
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removeLazyLoadListener();
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addLazyLoadListener();
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} else {
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loadImage();
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}
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});
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onMounted(() => {
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if (isManual.value) {
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addLazyLoadListener();
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} else {
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loadImage();
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}
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});
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return (_ctx, _cache) => {
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return openBlock(), createElementBlock("div", {
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ref_key: "container",
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ref: container,
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class: normalizeClass([unref(ns).b(), _ctx.$attrs.class]),
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style: normalizeStyle(unref(containerStyle))
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}, [
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hasLoadError.value ? renderSlot(_ctx.$slots, "error", { key: 0 }, () => [
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createElementVNode("div", {
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class: normalizeClass(unref(ns).e("error"))
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}, toDisplayString(unref(t)("el.image.error")), 3)
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]) : (openBlock(), createElementBlock(Fragment, { key: 1 }, [
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imageSrc.value !== void 0 ? (openBlock(), createElementBlock("img", mergeProps({ key: 0 }, unref(attrs), {
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src: imageSrc.value,
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loading: _ctx.loading,
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style: unref(imageStyle),
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class: [
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unref(ns).e("inner"),
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unref(preview) && unref(ns).e("preview"),
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isLoading.value && unref(ns).is("loading")
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],
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onClick: clickHandler,
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onLoad: handleLoad,
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onError: handleError
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}), null, 16, _hoisted_1)) : createCommentVNode("v-if", true),
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isLoading.value ? (openBlock(), createElementBlock("div", {
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key: 1,
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class: normalizeClass(unref(ns).e("wrapper"))
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}, [
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renderSlot(_ctx.$slots, "placeholder", {}, () => [
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createElementVNode("div", {
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class: normalizeClass(unref(ns).e("placeholder"))
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}, null, 2)
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])
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], 2)) : createCommentVNode("v-if", true)
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], 64)),
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unref(preview) ? (openBlock(), createElementBlock(Fragment, { key: 2 }, [
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showViewer.value ? (openBlock(), createBlock(unref(ElImageViewer), {
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key: 0,
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"z-index": _ctx.zIndex,
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"initial-index": unref(imageIndex),
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infinite: _ctx.infinite,
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"zoom-rate": _ctx.zoomRate,
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"url-list": _ctx.previewSrcList,
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"hide-on-click-modal": _ctx.hideOnClickModal,
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teleported: _ctx.previewTeleported,
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"close-on-press-escape": _ctx.closeOnPressEscape,
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onClose: closeViewer,
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onSwitch: switchViewer
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}, {
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default: withCtx(() => [
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_ctx.$slots.viewer ? (openBlock(), createElementBlock("div", _hoisted_2, [
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renderSlot(_ctx.$slots, "viewer")
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])) : createCommentVNode("v-if", true)
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]),
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_: 3
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}, 8, ["z-index", "initial-index", "infinite", "zoom-rate", "url-list", "hide-on-click-modal", "teleported", "close-on-press-escape"])) : createCommentVNode("v-if", true)
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], 64)) : createCommentVNode("v-if", true)
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], 6);
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};
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}
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});
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var Image = /* @__PURE__ */ _export_sfc(_sfc_main, [["__file", "/home/runner/work/element-plus/element-plus/packages/components/image/src/image.vue"]]);
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export { Image as default };
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//# sourceMappingURL=image2.mjs.map
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