import { defineComponent, getCurrentInstance, useSlots, inject, ref, computed, watch, reactive, onMounted, onUnmounted, unref, withDirectives, openBlock, createElementBlock, normalizeClass, renderSlot, vShow, createCommentVNode } from 'vue';
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import { eagerComputed } 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 { tabPaneProps } from './tab-pane.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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const _hoisted_1 = ["id", "aria-hidden", "aria-labelledby"];
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const COMPONENT_NAME = "ElTabPane";
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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: tabPaneProps,
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setup(__props) {
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const props = __props;
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const instance = getCurrentInstance();
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const slots = useSlots();
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const tabsRoot = inject(tabsRootContextKey);
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if (!tabsRoot)
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throwError(COMPONENT_NAME, "usage: <el-tabs><el-tab-pane /></el-tabs/>");
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const ns = useNamespace("tab-pane");
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const index = ref();
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const isClosable = computed(() => props.closable || tabsRoot.props.closable);
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const active = eagerComputed(() => {
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var _a;
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return tabsRoot.currentName.value === ((_a = props.name) != null ? _a : index.value);
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});
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const loaded = ref(active.value);
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const paneName = computed(() => {
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var _a;
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return (_a = props.name) != null ? _a : index.value;
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});
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const shouldBeRender = eagerComputed(() => !props.lazy || loaded.value || active.value);
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watch(active, (val) => {
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if (val)
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loaded.value = true;
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});
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const pane = reactive({
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uid: instance.uid,
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slots,
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props,
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paneName,
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active,
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index,
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isClosable
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});
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onMounted(() => {
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tabsRoot.registerPane(pane);
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});
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onUnmounted(() => {
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tabsRoot.unregisterPane(pane.uid);
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});
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return (_ctx, _cache) => {
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return unref(shouldBeRender) ? withDirectives((openBlock(), createElementBlock("div", {
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key: 0,
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id: `pane-${unref(paneName)}`,
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class: normalizeClass(unref(ns).b()),
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role: "tabpanel",
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"aria-hidden": !unref(active),
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"aria-labelledby": `tab-${unref(paneName)}`
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}, [
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renderSlot(_ctx.$slots, "default")
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], 10, _hoisted_1)), [
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[vShow, unref(active)]
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]) : createCommentVNode("v-if", true);
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};
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}
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});
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var TabPane = /* @__PURE__ */ _export_sfc(_sfc_main, [["__file", "/home/runner/work/element-plus/element-plus/packages/components/tabs/src/tab-pane.vue"]]);
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export { TabPane as default };
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//# sourceMappingURL=tab-pane2.mjs.map
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