element-plus
Version:
A Component Library for Vue 3
255 lines (250 loc) • 8.64 kB
JavaScript
;
Object.defineProperty(exports, '__esModule', { value: true });
var vue = require('vue');
var shared = require('@vue/shared');
var core = require('@vueuse/core');
require('../../../hooks/index.js');
var index = 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$1 = require('../../../hooks/use-deprecated/index.js');
var index$2 = require('../../../hooks/use-locale/index.js');
var index$3 = require('../../../hooks/use-namespace/index.js');
var index$4 = require('../../../hooks/use-attrs/index.js');
var position = require('../../../utils/dom/position.js');
var types = require('../../../utils/types.js');
var scroll = require('../../../utils/dom/scroll.js');
let prevOverflow = "";
const _sfc_main = vue.defineComponent({
name: "ElImage",
components: {
ImageViewer: index.ElImageViewer
},
inheritAttrs: false,
props: image.imageProps,
emits: image.imageEmits,
setup(props, { emit, attrs: rawAttrs }) {
index$1.useDeprecated({
scope: "el-image",
from: "append-to-body",
replacement: "preview-teleported",
version: "2.2.0",
ref: "https://element-plus.org/en-US/component/image.html#image-attributess"
}, vue.computed(() => core.isBoolean(props.appendToBody)));
const { t } = index$2.useLocale();
const ns = index$3.useNamespace("image");
const attrs = index$4.useAttrs();
const hasLoadError = vue.ref(false);
const loading = vue.ref(true);
const imgWidth = vue.ref(0);
const imgHeight = vue.ref(0);
const showViewer = vue.ref(false);
const container = vue.ref();
const _scrollContainer = vue.ref();
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 teleported = vue.computed(() => {
return props.appendToBody || props.previewTeleported;
});
const imageIndex = vue.computed(() => {
const { previewSrcList, initialIndex } = props;
let previewIndex = initialIndex;
if (initialIndex > previewSrcList.length - 1) {
previewIndex = 0;
}
return previewIndex;
});
const loadImage = () => {
if (!core.isClient)
return;
loading.value = true;
hasLoadError.value = false;
const img = new Image();
const currentImageSrc = props.src;
img.addEventListener("load", (e) => {
if (currentImageSrc !== props.src) {
return;
}
handleLoad(e, img);
});
img.addEventListener("error", (e) => {
if (currentImageSrc !== props.src) {
return;
}
handleError(e);
});
Object.entries(attrs.value).forEach(([key, value]) => {
if (key.toLowerCase() === "onload")
return;
img.setAttribute(key, value);
});
img.src = currentImageSrc;
};
function handleLoad(e, img) {
imgWidth.value = img.width;
imgHeight.value = img.height;
loading.value = false;
hasLoadError.value = false;
}
function handleError(event) {
loading.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();
_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;
}
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 (props.lazy) {
loading.value = true;
hasLoadError.value = false;
removeLazyLoadListener();
addLazyLoadListener();
} else {
loadImage();
}
});
vue.onMounted(() => {
if (props.lazy) {
addLazyLoadListener();
} else {
loadImage();
}
});
return {
attrs,
loading,
hasLoadError,
showViewer,
containerStyle,
imageStyle,
preview,
imageIndex,
container,
ns,
teleported,
clickHandler,
closeViewer,
switchViewer,
t
};
}
});
const _hoisted_1 = ["src"];
const _hoisted_2 = { key: 0 };
function _sfc_render(_ctx, _cache, $props, $setup, $data, $options) {
const _component_image_viewer = vue.resolveComponent("image-viewer");
return vue.openBlock(), vue.createElementBlock("div", {
ref: "container",
class: vue.normalizeClass([_ctx.ns.b(), _ctx.$attrs.class]),
style: vue.normalizeStyle(_ctx.containerStyle)
}, [
_ctx.loading ? vue.renderSlot(_ctx.$slots, "placeholder", { key: 0 }, () => [
vue.createElementVNode("div", {
class: vue.normalizeClass(_ctx.ns.e("placeholder"))
}, null, 2)
]) : _ctx.hasLoadError ? vue.renderSlot(_ctx.$slots, "error", { key: 1 }, () => [
vue.createElementVNode("div", {
class: vue.normalizeClass(_ctx.ns.e("error"))
}, vue.toDisplayString(_ctx.t("el.image.error")), 3)
]) : (vue.openBlock(), vue.createElementBlock("img", vue.mergeProps({ key: 2 }, _ctx.attrs, {
src: _ctx.src,
style: _ctx.imageStyle,
class: [_ctx.ns.e("inner"), _ctx.preview ? _ctx.ns.e("preview") : ""],
onClick: _cache[0] || (_cache[0] = (...args) => _ctx.clickHandler && _ctx.clickHandler(...args))
}), null, 16, _hoisted_1)),
_ctx.preview ? (vue.openBlock(), vue.createElementBlock(vue.Fragment, { key: 3 }, [
_ctx.showViewer ? (vue.openBlock(), vue.createBlock(_component_image_viewer, {
key: 0,
"z-index": _ctx.zIndex,
"initial-index": _ctx.imageIndex,
"url-list": _ctx.previewSrcList,
"hide-on-click-modal": _ctx.hideOnClickModal,
teleported: _ctx.teleported,
onClose: _ctx.closeViewer,
onSwitch: _ctx.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", "url-list", "hide-on-click-modal", "teleported", "onClose", "onSwitch"])) : vue.createCommentVNode("v-if", true)
], 2112)) : vue.createCommentVNode("v-if", true)
], 6);
}
var Image$1 = /* @__PURE__ */ pluginVue_exportHelper["default"](_sfc_main, [["render", _sfc_render]]);
exports["default"] = Image$1;
//# sourceMappingURL=image2.js.map