import { defineComponent, getCurrentInstance, ref, computed, nextTick, watch, watchEffect, provide, reactive, onMounted, h } from 'vue';
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import { useResizeObserver } from '@vueuse/core';
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import { isNil } from 'lodash-unified';
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import { ElIcon } from '../../icon/index.mjs';
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import { More } from '@element-plus/icons-vue';
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import '../../../utils/index.mjs';
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import '../../../hooks/index.mjs';
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import Menu$1 from './utils/menu-bar.mjs';
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import ElMenuCollapseTransition from './menu-collapse-transition.mjs';
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import SubMenu from './sub-menu.mjs';
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import { useMenuCssVar } from './use-menu-css-var.mjs';
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import { buildProps, definePropType } from '../../../utils/vue/props/runtime.mjs';
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import { mutable } from '../../../utils/typescript.mjs';
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import { isString, isObject } from '@vue/shared';
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import { useNamespace } from '../../../hooks/use-namespace/index.mjs';
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import { flattedChildren } from '../../../utils/vue/vnode.mjs';
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const menuProps = buildProps({
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mode: {
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type: String,
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values: ["horizontal", "vertical"],
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default: "vertical"
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},
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defaultActive: {
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type: String,
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default: ""
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},
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defaultOpeneds: {
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type: definePropType(Array),
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default: () => mutable([])
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},
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uniqueOpened: Boolean,
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router: Boolean,
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menuTrigger: {
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type: String,
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values: ["hover", "click"],
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default: "hover"
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},
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collapse: Boolean,
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backgroundColor: String,
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textColor: String,
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activeTextColor: String,
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collapseTransition: {
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type: Boolean,
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default: true
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},
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ellipsis: {
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type: Boolean,
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default: true
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},
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popperEffect: {
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type: String,
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values: ["dark", "light"],
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default: "dark"
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}
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});
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const checkIndexPath = (indexPath) => Array.isArray(indexPath) && indexPath.every((path) => isString(path));
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const menuEmits = {
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close: (index, indexPath) => isString(index) && checkIndexPath(indexPath),
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open: (index, indexPath) => isString(index) && checkIndexPath(indexPath),
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select: (index, indexPath, item, routerResult) => isString(index) && checkIndexPath(indexPath) && isObject(item) && (routerResult === void 0 || routerResult instanceof Promise)
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};
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var Menu = defineComponent({
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name: "ElMenu",
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props: menuProps,
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emits: menuEmits,
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setup(props, { emit, slots, expose }) {
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const instance = getCurrentInstance();
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const router = instance.appContext.config.globalProperties.$router;
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const menu = ref();
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const nsMenu = useNamespace("menu");
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const nsSubMenu = useNamespace("sub-menu");
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const sliceIndex = ref(-1);
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const openedMenus = ref(props.defaultOpeneds && !props.collapse ? props.defaultOpeneds.slice(0) : []);
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const activeIndex = ref(props.defaultActive);
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const items = ref({});
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const subMenus = ref({});
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const isMenuPopup = computed(() => {
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return props.mode === "horizontal" || props.mode === "vertical" && props.collapse;
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});
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const initMenu = () => {
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const activeItem = activeIndex.value && items.value[activeIndex.value];
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if (!activeItem || props.mode === "horizontal" || props.collapse)
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return;
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const indexPath = activeItem.indexPath;
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indexPath.forEach((index) => {
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const subMenu = subMenus.value[index];
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subMenu && openMenu(index, subMenu.indexPath);
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});
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};
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const openMenu = (index, indexPath) => {
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if (openedMenus.value.includes(index))
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return;
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if (props.uniqueOpened) {
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openedMenus.value = openedMenus.value.filter((index2) => indexPath.includes(index2));
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}
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openedMenus.value.push(index);
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emit("open", index, indexPath);
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};
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const close = (index) => {
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const i = openedMenus.value.indexOf(index);
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if (i !== -1) {
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openedMenus.value.splice(i, 1);
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}
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};
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const closeMenu = (index, indexPath) => {
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close(index);
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emit("close", index, indexPath);
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};
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const handleSubMenuClick = ({
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index,
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indexPath
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}) => {
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const isOpened = openedMenus.value.includes(index);
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if (isOpened) {
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closeMenu(index, indexPath);
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} else {
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openMenu(index, indexPath);
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}
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};
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const handleMenuItemClick = (menuItem) => {
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if (props.mode === "horizontal" || props.collapse) {
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openedMenus.value = [];
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}
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const { index, indexPath } = menuItem;
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if (isNil(index) || isNil(indexPath))
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return;
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if (props.router && router) {
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const route = menuItem.route || index;
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const routerResult = router.push(route).then((res) => {
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if (!res)
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activeIndex.value = index;
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return res;
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});
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emit("select", index, indexPath, { index, indexPath, route }, routerResult);
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} else {
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activeIndex.value = index;
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emit("select", index, indexPath, { index, indexPath });
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}
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};
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const updateActiveIndex = (val) => {
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const itemsInData = items.value;
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const item = itemsInData[val] || activeIndex.value && itemsInData[activeIndex.value] || itemsInData[props.defaultActive];
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if (item) {
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activeIndex.value = item.index;
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} else {
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activeIndex.value = val;
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}
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};
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const calcSliceIndex = () => {
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var _a, _b;
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if (!menu.value)
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return -1;
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const items2 = Array.from((_b = (_a = menu.value) == null ? void 0 : _a.childNodes) != null ? _b : []).filter((item) => item.nodeName !== "#comment" && (item.nodeName !== "#text" || item.nodeValue));
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const moreItemWidth = 64;
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const paddingLeft = Number.parseInt(getComputedStyle(menu.value).paddingLeft, 10);
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const paddingRight = Number.parseInt(getComputedStyle(menu.value).paddingRight, 10);
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const menuWidth = menu.value.clientWidth - paddingLeft - paddingRight;
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let calcWidth = 0;
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let sliceIndex2 = 0;
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items2.forEach((item, index) => {
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calcWidth += item.offsetWidth || 0;
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if (calcWidth <= menuWidth - moreItemWidth) {
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sliceIndex2 = index + 1;
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}
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});
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return sliceIndex2 === items2.length ? -1 : sliceIndex2;
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};
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const debounce = (fn, wait = 33.34) => {
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let timmer;
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return () => {
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timmer && clearTimeout(timmer);
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timmer = setTimeout(() => {
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fn();
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}, wait);
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};
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};
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let isFirstTimeRender = true;
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const handleResize = () => {
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const callback = () => {
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sliceIndex.value = -1;
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nextTick(() => {
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sliceIndex.value = calcSliceIndex();
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});
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};
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isFirstTimeRender ? callback() : debounce(callback)();
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isFirstTimeRender = false;
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};
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watch(() => props.defaultActive, (currentActive) => {
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if (!items.value[currentActive]) {
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activeIndex.value = "";
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}
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updateActiveIndex(currentActive);
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});
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watch(() => props.collapse, (value) => {
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if (value)
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openedMenus.value = [];
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});
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watch(items.value, initMenu);
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let resizeStopper;
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watchEffect(() => {
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if (props.mode === "horizontal" && props.ellipsis)
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resizeStopper = useResizeObserver(menu, handleResize).stop;
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else
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resizeStopper == null ? void 0 : resizeStopper();
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});
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{
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const addSubMenu = (item) => {
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subMenus.value[item.index] = item;
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};
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const removeSubMenu = (item) => {
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delete subMenus.value[item.index];
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};
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const addMenuItem = (item) => {
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items.value[item.index] = item;
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};
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const removeMenuItem = (item) => {
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delete items.value[item.index];
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};
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provide("rootMenu", reactive({
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props,
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openedMenus,
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items,
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subMenus,
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activeIndex,
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isMenuPopup,
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addMenuItem,
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removeMenuItem,
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addSubMenu,
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removeSubMenu,
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openMenu,
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closeMenu,
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handleMenuItemClick,
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handleSubMenuClick
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}));
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provide(`subMenu:${instance.uid}`, {
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addSubMenu,
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removeSubMenu,
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mouseInChild: ref(false),
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level: 0
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});
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}
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onMounted(() => {
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if (props.mode === "horizontal") {
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new Menu$1(instance.vnode.el, nsMenu.namespace.value);
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}
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});
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{
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const open = (index) => {
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const { indexPath } = subMenus.value[index];
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indexPath.forEach((i) => openMenu(i, indexPath));
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};
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expose({
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open,
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close,
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handleResize
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});
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}
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return () => {
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var _a, _b;
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let slot = (_b = (_a = slots.default) == null ? void 0 : _a.call(slots)) != null ? _b : [];
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const vShowMore = [];
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if (props.mode === "horizontal" && menu.value) {
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const originalSlot = flattedChildren(slot);
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const slotDefault = sliceIndex.value === -1 ? originalSlot : originalSlot.slice(0, sliceIndex.value);
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const slotMore = sliceIndex.value === -1 ? [] : originalSlot.slice(sliceIndex.value);
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if ((slotMore == null ? void 0 : slotMore.length) && props.ellipsis) {
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slot = slotDefault;
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vShowMore.push(h(SubMenu, {
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index: "sub-menu-more",
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class: nsSubMenu.e("hide-arrow")
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}, {
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title: () => h(ElIcon, {
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class: nsSubMenu.e("icon-more")
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}, { default: () => h(More) }),
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default: () => slotMore
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}));
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}
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}
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const ulStyle = useMenuCssVar(props, 0);
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const vMenu = h("ul", {
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key: String(props.collapse),
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role: "menubar",
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ref: menu,
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style: ulStyle.value,
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class: {
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[nsMenu.b()]: true,
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[nsMenu.m(props.mode)]: true,
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[nsMenu.m("collapse")]: props.collapse
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}
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}, [...slot, ...vShowMore]);
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if (props.collapseTransition && props.mode === "vertical") {
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return h(ElMenuCollapseTransition, () => vMenu);
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}
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return vMenu;
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};
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}
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});
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export { Menu as default, menuEmits, menuProps };
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//# sourceMappingURL=menu.mjs.map
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