import { defineComponent, getCurrentInstance, inject, ref, watch, nextTick, openBlock, createElementBlock, normalizeClass, unref, normalizeStyle } from 'vue';
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import { useResizeObserver } from '@vueuse/core';
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import '../../../utils/index.mjs';
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import '../../../hooks/index.mjs';
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import { tabsRootContextKey } from './constants.mjs';
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import { tabBarProps } from './tab-bar.mjs';
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import _export_sfc from '../../../_virtual/plugin-vue_export-helper.mjs';
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import { throwError } from '../../../utils/error.mjs';
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import { useNamespace } from '../../../hooks/use-namespace/index.mjs';
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import { capitalize } from '../../../utils/strings.mjs';
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const COMPONENT_NAME = "ElTabBar";
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const __default__ = defineComponent({
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name: COMPONENT_NAME
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});
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const _sfc_main = /* @__PURE__ */ defineComponent({
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...__default__,
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props: tabBarProps,
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setup(__props, { expose }) {
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const props = __props;
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const instance = getCurrentInstance();
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const rootTabs = inject(tabsRootContextKey);
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if (!rootTabs)
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throwError(COMPONENT_NAME, "<el-tabs><el-tab-bar /></el-tabs>");
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const ns = useNamespace("tabs");
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const barRef = ref();
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const barStyle = ref();
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const getBarStyle = () => {
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let offset = 0;
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let tabSize = 0;
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const sizeName = ["top", "bottom"].includes(rootTabs.props.tabPosition) ? "width" : "height";
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const sizeDir = sizeName === "width" ? "x" : "y";
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const position = sizeDir === "x" ? "left" : "top";
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props.tabs.every((tab) => {
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var _a, _b;
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const $el = (_b = (_a = instance.parent) == null ? void 0 : _a.refs) == null ? void 0 : _b[`tab-${tab.uid}`];
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if (!$el)
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return false;
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if (!tab.active) {
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return true;
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}
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offset = $el[`offset${capitalize(position)}`];
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tabSize = $el[`client${capitalize(sizeName)}`];
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const tabStyles = window.getComputedStyle($el);
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if (sizeName === "width") {
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if (props.tabs.length > 1) {
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tabSize -= Number.parseFloat(tabStyles.paddingLeft) + Number.parseFloat(tabStyles.paddingRight);
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}
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offset += Number.parseFloat(tabStyles.paddingLeft);
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}
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return false;
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});
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return {
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[sizeName]: `${tabSize}px`,
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transform: `translate${capitalize(sizeDir)}(${offset}px)`
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};
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};
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const update = () => barStyle.value = getBarStyle();
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watch(() => props.tabs, async () => {
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await nextTick();
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update();
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}, { immediate: true });
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useResizeObserver(barRef, () => update());
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expose({
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ref: barRef,
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update
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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: "barRef",
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ref: barRef,
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class: normalizeClass([unref(ns).e("active-bar"), unref(ns).is(unref(rootTabs).props.tabPosition)]),
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style: normalizeStyle(barStyle.value)
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}, null, 6);
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};
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}
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});
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var TabBar = /* @__PURE__ */ _export_sfc(_sfc_main, [["__file", "/home/runner/work/element-plus/element-plus/packages/components/tabs/src/tab-bar.vue"]]);
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export { TabBar as default };
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//# sourceMappingURL=tab-bar2.mjs.map
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