'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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var vue = require('vue');
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var core = require('@vueuse/core');
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require('../../../utils/index.js');
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require('../../../constants/index.js');
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var index$1 = require('../../icon/index.js');
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var iconsVue = require('@element-plus/icons-vue');
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require('../../../hooks/index.js');
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var tabBar = require('./tab-bar2.js');
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var constants = require('./constants.js');
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var runtime = require('../../../utils/vue/props/runtime.js');
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var typescript = require('../../../utils/typescript.js');
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var error = require('../../../utils/error.js');
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var index = require('../../../hooks/use-namespace/index.js');
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var strings = require('../../../utils/strings.js');
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var aria = require('../../../constants/aria.js');
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const tabNavProps = runtime.buildProps({
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panes: {
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type: runtime.definePropType(Array),
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default: () => typescript.mutable([])
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},
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currentName: {
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type: [String, Number],
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default: ""
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},
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editable: Boolean,
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type: {
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type: String,
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values: ["card", "border-card", ""],
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default: ""
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},
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stretch: Boolean
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});
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const tabNavEmits = {
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tabClick: (tab, tabName, ev) => ev instanceof Event,
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tabRemove: (tab, ev) => ev instanceof Event
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};
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const COMPONENT_NAME = "ElTabNav";
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const TabNav = vue.defineComponent({
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name: COMPONENT_NAME,
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props: tabNavProps,
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emits: tabNavEmits,
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setup(props, {
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expose,
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emit
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}) {
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const vm = vue.getCurrentInstance();
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const rootTabs = vue.inject(constants.tabsRootContextKey);
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if (!rootTabs)
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error.throwError(COMPONENT_NAME, `<el-tabs><tab-nav /></el-tabs>`);
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const ns = index.useNamespace("tabs");
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const visibility = core.useDocumentVisibility();
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const focused = core.useWindowFocus();
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const navScroll$ = vue.ref();
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const nav$ = vue.ref();
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const el$ = vue.ref();
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const tabBarRef = vue.ref();
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const scrollable = vue.ref(false);
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const navOffset = vue.ref(0);
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const isFocus = vue.ref(false);
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const focusable = vue.ref(true);
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const sizeName = vue.computed(() => ["top", "bottom"].includes(rootTabs.props.tabPosition) ? "width" : "height");
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const navStyle = vue.computed(() => {
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const dir = sizeName.value === "width" ? "X" : "Y";
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return {
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transform: `translate${dir}(-${navOffset.value}px)`
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};
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});
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const scrollPrev = () => {
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if (!navScroll$.value)
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return;
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const containerSize = navScroll$.value[`offset${strings.capitalize(sizeName.value)}`];
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const currentOffset = navOffset.value;
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if (!currentOffset)
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return;
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const newOffset = currentOffset > containerSize ? currentOffset - containerSize : 0;
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navOffset.value = newOffset;
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};
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const scrollNext = () => {
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if (!navScroll$.value || !nav$.value)
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return;
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const navSize = nav$.value[`offset${strings.capitalize(sizeName.value)}`];
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const containerSize = navScroll$.value[`offset${strings.capitalize(sizeName.value)}`];
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const currentOffset = navOffset.value;
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if (navSize - currentOffset <= containerSize)
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return;
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const newOffset = navSize - currentOffset > containerSize * 2 ? currentOffset + containerSize : navSize - containerSize;
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navOffset.value = newOffset;
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};
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const scrollToActiveTab = async () => {
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const nav = nav$.value;
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if (!scrollable.value || !el$.value || !navScroll$.value || !nav)
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return;
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await vue.nextTick();
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const activeTab = el$.value.querySelector(".is-active");
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if (!activeTab)
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return;
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const navScroll = navScroll$.value;
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const isHorizontal = ["top", "bottom"].includes(rootTabs.props.tabPosition);
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const activeTabBounding = activeTab.getBoundingClientRect();
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const navScrollBounding = navScroll.getBoundingClientRect();
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const maxOffset = isHorizontal ? nav.offsetWidth - navScrollBounding.width : nav.offsetHeight - navScrollBounding.height;
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const currentOffset = navOffset.value;
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let newOffset = currentOffset;
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if (isHorizontal) {
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if (activeTabBounding.left < navScrollBounding.left) {
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newOffset = currentOffset - (navScrollBounding.left - activeTabBounding.left);
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}
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if (activeTabBounding.right > navScrollBounding.right) {
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newOffset = currentOffset + activeTabBounding.right - navScrollBounding.right;
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}
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} else {
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if (activeTabBounding.top < navScrollBounding.top) {
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newOffset = currentOffset - (navScrollBounding.top - activeTabBounding.top);
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}
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if (activeTabBounding.bottom > navScrollBounding.bottom) {
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newOffset = currentOffset + (activeTabBounding.bottom - navScrollBounding.bottom);
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}
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}
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newOffset = Math.max(newOffset, 0);
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navOffset.value = Math.min(newOffset, maxOffset);
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};
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const update = () => {
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var _a;
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if (!nav$.value || !navScroll$.value)
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return;
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props.stretch && ((_a = tabBarRef.value) == null ? void 0 : _a.update());
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const navSize = nav$.value[`offset${strings.capitalize(sizeName.value)}`];
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const containerSize = navScroll$.value[`offset${strings.capitalize(sizeName.value)}`];
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const currentOffset = navOffset.value;
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if (containerSize < navSize) {
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scrollable.value = scrollable.value || {};
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scrollable.value.prev = currentOffset;
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scrollable.value.next = currentOffset + containerSize < navSize;
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if (navSize - currentOffset < containerSize) {
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navOffset.value = navSize - containerSize;
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}
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} else {
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scrollable.value = false;
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if (currentOffset > 0) {
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navOffset.value = 0;
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}
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}
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};
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const changeTab = (e) => {
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const code = e.code;
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const {
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up,
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down,
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left,
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right
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} = aria.EVENT_CODE;
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if (![up, down, left, right].includes(code))
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return;
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const tabList = Array.from(e.currentTarget.querySelectorAll("[role=tab]:not(.is-disabled)"));
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const currentIndex = tabList.indexOf(e.target);
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let nextIndex;
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if (code === left || code === up) {
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if (currentIndex === 0) {
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nextIndex = tabList.length - 1;
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} else {
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nextIndex = currentIndex - 1;
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}
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} else {
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if (currentIndex < tabList.length - 1) {
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nextIndex = currentIndex + 1;
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} else {
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nextIndex = 0;
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}
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}
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tabList[nextIndex].focus({
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preventScroll: true
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});
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tabList[nextIndex].click();
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setFocus();
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};
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const setFocus = () => {
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if (focusable.value)
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isFocus.value = true;
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};
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const removeFocus = () => isFocus.value = false;
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vue.watch(visibility, (visibility2) => {
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if (visibility2 === "hidden") {
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focusable.value = false;
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} else if (visibility2 === "visible") {
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setTimeout(() => focusable.value = true, 50);
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}
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});
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vue.watch(focused, (focused2) => {
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if (focused2) {
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setTimeout(() => focusable.value = true, 50);
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} else {
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focusable.value = false;
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}
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});
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core.useResizeObserver(el$, update);
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vue.onMounted(() => setTimeout(() => scrollToActiveTab(), 0));
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vue.onUpdated(() => update());
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expose({
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scrollToActiveTab,
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removeFocus
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});
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vue.watch(() => props.panes, () => vm.update(), {
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flush: "post",
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deep: true
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});
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return () => {
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const scrollBtn = scrollable.value ? [vue.createVNode("span", {
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"class": [ns.e("nav-prev"), ns.is("disabled", !scrollable.value.prev)],
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"onClick": scrollPrev
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}, [vue.createVNode(index$1.ElIcon, null, {
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default: () => [vue.createVNode(iconsVue.ArrowLeft, null, null)]
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})]), vue.createVNode("span", {
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"class": [ns.e("nav-next"), ns.is("disabled", !scrollable.value.next)],
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"onClick": scrollNext
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}, [vue.createVNode(index$1.ElIcon, null, {
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default: () => [vue.createVNode(iconsVue.ArrowRight, null, null)]
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})])] : null;
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const tabs = props.panes.map((pane, index) => {
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var _a, _b, _c, _d;
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const uid = pane.uid;
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const disabled = pane.props.disabled;
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const tabName = (_b = (_a = pane.props.name) != null ? _a : pane.index) != null ? _b : `${index}`;
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const closable = !disabled && (pane.isClosable || props.editable);
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pane.index = `${index}`;
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const btnClose = closable ? vue.createVNode(index$1.ElIcon, {
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"class": "is-icon-close",
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"onClick": (ev) => emit("tabRemove", pane, ev)
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}, {
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default: () => [vue.createVNode(iconsVue.Close, null, null)]
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}) : null;
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const tabLabelContent = ((_d = (_c = pane.slots).label) == null ? void 0 : _d.call(_c)) || pane.props.label;
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const tabindex = !disabled && pane.active ? 0 : -1;
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return vue.createVNode("div", {
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"ref": `tab-${uid}`,
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"class": [ns.e("item"), ns.is(rootTabs.props.tabPosition), ns.is("active", pane.active), ns.is("disabled", disabled), ns.is("closable", closable), ns.is("focus", isFocus.value)],
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"id": `tab-${tabName}`,
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"key": `tab-${uid}`,
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"aria-controls": `pane-${tabName}`,
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"role": "tab",
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"aria-selected": pane.active,
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"tabindex": tabindex,
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"onFocus": () => setFocus(),
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"onBlur": () => removeFocus(),
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"onClick": (ev) => {
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removeFocus();
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emit("tabClick", pane, tabName, ev);
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},
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"onKeydown": (ev) => {
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if (closable && (ev.code === aria.EVENT_CODE.delete || ev.code === aria.EVENT_CODE.backspace)) {
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emit("tabRemove", pane, ev);
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}
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}
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}, [...[tabLabelContent, btnClose]]);
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});
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return vue.createVNode("div", {
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"ref": el$,
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"class": [ns.e("nav-wrap"), ns.is("scrollable", !!scrollable.value), ns.is(rootTabs.props.tabPosition)]
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}, [scrollBtn, vue.createVNode("div", {
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"class": ns.e("nav-scroll"),
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"ref": navScroll$
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}, [vue.createVNode("div", {
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"class": [ns.e("nav"), ns.is(rootTabs.props.tabPosition), ns.is("stretch", props.stretch && ["top", "bottom"].includes(rootTabs.props.tabPosition))],
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"ref": nav$,
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"style": navStyle.value,
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"role": "tablist",
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"onKeydown": changeTab
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}, [...[!props.type ? vue.createVNode(tabBar["default"], {
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"ref": tabBarRef,
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"tabs": [...props.panes]
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}, null) : null, tabs]])])]);
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};
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}
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});
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exports["default"] = TabNav;
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exports.tabNavEmits = tabNavEmits;
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exports.tabNavProps = tabNavProps;
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//# sourceMappingURL=tab-nav.js.map
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