element-plus
Version:
A Component Library for Vue 3
230 lines (225 loc) • 8.55 kB
JavaScript
;
Object.defineProperty(exports, '__esModule', { value: true });
var vue = require('vue');
var core = require('@vueuse/core');
require('../../../hooks/index.js');
var index$3 = require('../../image-viewer/index.js');
require('../../../utils/index.js');
var image = require('./image.js');
var pluginVue_exportHelper = require('../../../_virtual/plugin-vue_export-helper.js');
var index = require('../../../hooks/use-locale/index.js');
var index$1 = require('../../../hooks/use-namespace/index.js');
var index$2 = require('../../../hooks/use-attrs/index.js');
var position = require('../../../utils/dom/position.js');
var types = require('../../../utils/types.js');
var shared = require('@vue/shared');
var scroll = require('../../../utils/dom/scroll.js');
const _hoisted_1 = ["src", "loading"];
const _hoisted_2 = { key: 0 };
const __default__ = vue.defineComponent({
name: "ElImage",
inheritAttrs: false
});
const _sfc_main = /* @__PURE__ */ vue.defineComponent({
...__default__,
props: image.imageProps,
emits: image.imageEmits,
setup(__props, { emit }) {
const props = __props;
let prevOverflow = "";
const { t } = index.useLocale();
const ns = index$1.useNamespace("image");
const rawAttrs = vue.useAttrs();
const attrs = index$2.useAttrs();
const imageSrc = vue.ref();
const hasLoadError = vue.ref(false);
const isLoading = vue.ref(true);
const showViewer = vue.ref(false);
const container = vue.ref();
const _scrollContainer = vue.ref();
const supportLoading = core.isClient && "loading" in HTMLImageElement.prototype;
let stopScrollListener;
let stopWheelListener;
const containerStyle = vue.computed(() => rawAttrs.style);
const imageStyle = vue.computed(() => {
const { fit } = props;
if (core.isClient && fit) {
return { objectFit: fit };
}
return {};
});
const preview = vue.computed(() => {
const { previewSrcList } = props;
return Array.isArray(previewSrcList) && previewSrcList.length > 0;
});
const imageIndex = vue.computed(() => {
const { previewSrcList, initialIndex } = props;
let previewIndex = initialIndex;
if (initialIndex > previewSrcList.length - 1) {
previewIndex = 0;
}
return previewIndex;
});
const isManual = vue.computed(() => {
if (props.loading === "eager")
return false;
return !supportLoading && props.loading === "lazy" || props.lazy;
});
const loadImage = () => {
if (!core.isClient)
return;
isLoading.value = true;
hasLoadError.value = false;
imageSrc.value = props.src;
};
function handleLoad(event) {
isLoading.value = false;
hasLoadError.value = false;
emit("load", event);
}
function handleError(event) {
isLoading.value = false;
hasLoadError.value = true;
emit("error", event);
}
function handleLazyLoad() {
if (position.isInContainer(container.value, _scrollContainer.value)) {
loadImage();
removeLazyLoadListener();
}
}
const lazyLoadHandler = core.useThrottleFn(handleLazyLoad, 200);
async function addLazyLoadListener() {
var _a;
if (!core.isClient)
return;
await vue.nextTick();
const { scrollContainer } = props;
if (types.isElement(scrollContainer)) {
_scrollContainer.value = scrollContainer;
} else if (shared.isString(scrollContainer) && scrollContainer !== "") {
_scrollContainer.value = (_a = document.querySelector(scrollContainer)) != null ? _a : void 0;
} else if (container.value) {
_scrollContainer.value = scroll.getScrollContainer(container.value);
}
if (_scrollContainer.value) {
stopScrollListener = core.useEventListener(_scrollContainer, "scroll", lazyLoadHandler);
setTimeout(() => handleLazyLoad(), 100);
}
}
function removeLazyLoadListener() {
if (!core.isClient || !_scrollContainer.value || !lazyLoadHandler)
return;
stopScrollListener == null ? void 0 : stopScrollListener();
_scrollContainer.value = void 0;
}
function wheelHandler(e) {
if (!e.ctrlKey)
return;
if (e.deltaY < 0) {
e.preventDefault();
return false;
} else if (e.deltaY > 0) {
e.preventDefault();
return false;
}
}
function clickHandler() {
if (!preview.value)
return;
stopWheelListener = core.useEventListener("wheel", wheelHandler, {
passive: false
});
prevOverflow = document.body.style.overflow;
document.body.style.overflow = "hidden";
showViewer.value = true;
emit("show");
}
function closeViewer() {
stopWheelListener == null ? void 0 : stopWheelListener();
document.body.style.overflow = prevOverflow;
showViewer.value = false;
emit("close");
}
function switchViewer(val) {
emit("switch", val);
}
vue.watch(() => props.src, () => {
if (isManual.value) {
isLoading.value = true;
hasLoadError.value = false;
removeLazyLoadListener();
addLazyLoadListener();
} else {
loadImage();
}
});
vue.onMounted(() => {
if (isManual.value) {
addLazyLoadListener();
} else {
loadImage();
}
});
return (_ctx, _cache) => {
return vue.openBlock(), vue.createElementBlock("div", {
ref_key: "container",
ref: container,
class: vue.normalizeClass([vue.unref(ns).b(), _ctx.$attrs.class]),
style: vue.normalizeStyle(vue.unref(containerStyle))
}, [
imageSrc.value !== void 0 && !hasLoadError.value ? (vue.openBlock(), vue.createElementBlock("img", vue.mergeProps({ key: 0 }, vue.unref(attrs), {
src: imageSrc.value,
loading: _ctx.loading,
style: vue.unref(imageStyle),
class: [
vue.unref(ns).e("inner"),
vue.unref(preview) && vue.unref(ns).e("preview"),
isLoading.value && vue.unref(ns).is("loading")
],
onClick: clickHandler,
onLoad: handleLoad,
onError: handleError
}), null, 16, _hoisted_1)) : vue.createCommentVNode("v-if", true),
isLoading.value || hasLoadError.value ? (vue.openBlock(), vue.createElementBlock("div", {
key: 1,
class: vue.normalizeClass(vue.unref(ns).e("wrapper"))
}, [
isLoading.value ? vue.renderSlot(_ctx.$slots, "placeholder", { key: 0 }, () => [
vue.createElementVNode("div", {
class: vue.normalizeClass(vue.unref(ns).e("placeholder"))
}, null, 2)
]) : hasLoadError.value ? vue.renderSlot(_ctx.$slots, "error", { key: 1 }, () => [
vue.createElementVNode("div", {
class: vue.normalizeClass(vue.unref(ns).e("error"))
}, vue.toDisplayString(vue.unref(t)("el.image.error")), 3)
]) : vue.createCommentVNode("v-if", true)
], 2)) : vue.createCommentVNode("v-if", true),
vue.unref(preview) ? (vue.openBlock(), vue.createElementBlock(vue.Fragment, { key: 2 }, [
showViewer.value ? (vue.openBlock(), vue.createBlock(vue.unref(index$3.ElImageViewer), {
key: 0,
"z-index": _ctx.zIndex,
"initial-index": vue.unref(imageIndex),
infinite: _ctx.infinite,
"url-list": _ctx.previewSrcList,
"hide-on-click-modal": _ctx.hideOnClickModal,
teleported: _ctx.previewTeleported,
"close-on-press-escape": _ctx.closeOnPressEscape,
onClose: closeViewer,
onSwitch: switchViewer
}, {
default: vue.withCtx(() => [
_ctx.$slots.viewer ? (vue.openBlock(), vue.createElementBlock("div", _hoisted_2, [
vue.renderSlot(_ctx.$slots, "viewer")
])) : vue.createCommentVNode("v-if", true)
]),
_: 3
}, 8, ["z-index", "initial-index", "infinite", "url-list", "hide-on-click-modal", "teleported", "close-on-press-escape"])) : vue.createCommentVNode("v-if", true)
], 64)) : vue.createCommentVNode("v-if", true)
], 6);
};
}
});
var Image = /* @__PURE__ */ pluginVue_exportHelper["default"](_sfc_main, [["__file", "/home/runner/work/element-plus/element-plus/packages/components/image/src/image.vue"]]);
exports["default"] = Image;
//# sourceMappingURL=image2.js.map