refactor(component): ♻️ 重新封装弹框组件
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何嘉悦
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@ -1,431 +0,0 @@
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<script setup lang="ts">
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import type { CSSProperties } from 'vue';
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import { onClickOutside, useEventListener } from '@vueuse/core';
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type PopoverPosition =
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| 'top'
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| 'top-start'
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| 'top-end'
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| 'bottom'
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| 'bottom-start'
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| 'bottom-end'
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| 'left'
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| 'left-start'
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| 'left-end'
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| 'right'
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| 'right-start'
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| 'right-end';
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type Offset = [number, number];
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const props = withDefaults(defineProps<PopoverProps>(), {
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position: 'bottom',
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offset: () => [8, 8],
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boundary: 'viewport',
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closeOnContentClick: false,
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closeOnTriggerClick: false,
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triggerStyle: () => ({}),
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popoverStyle: () => ({}),
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popoverClass: '',
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});
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const emits = defineEmits<{
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(e: 'show'): void;
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(e: 'hide'): void;
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(e: 'positionChange', pos: PopoverPosition): void;
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}>();
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const VIEWPORT_PADDING = 16;
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interface PopoverProps {
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position?: PopoverPosition;
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offset?: Offset;
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triggerStyle?: CSSProperties;
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popoverStyle?: CSSProperties;
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popoverClass?: string;
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boundary?: 'viewport' | HTMLElement;
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closeOnContentClick?: boolean;
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closeOnTriggerClick?: boolean;
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}
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const triggerRef = ref<HTMLElement | null>(null);
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const popoverRef = ref<HTMLElement | null>(null);
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const showPoperContent = ref(false);
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const currentPosition = ref<PopoverPosition>(props.position);
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let resizeObserver: ResizeObserver | null = null;
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let mutationObserver: MutationObserver | null = null;
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let updatePositionTimeout: number | null = null;
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// 初始化尺寸与内容变化监听
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function initObservers() {
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if (!popoverRef.value)
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return;
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// 监听弹出框尺寸变化
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resizeObserver = new ResizeObserver(() => {
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requestAnimationFrame(updatePosition);
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});
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resizeObserver.observe(popoverRef.value);
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// 监听弹出框内容变化（子节点/样式变更）
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mutationObserver = new MutationObserver((mutations) => {
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for (const mutation of mutations) {
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if (mutation.type === 'attributes' && mutation.attributeName === 'style') {
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updatePosition();
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}
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}
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requestAnimationFrame(updatePosition);
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});
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mutationObserver.observe(popoverRef.value, {
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childList: true,
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subtree: true,
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attributes: true,
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attributeFilter: ['style', 'class'],
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});
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}
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// 销毁监听
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function destroyObservers() {
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resizeObserver?.disconnect();
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mutationObserver?.disconnect();
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resizeObserver = null;
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mutationObserver = null;
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}
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// 强制更新定位（处理DOM缓存）
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function updatePosition() {
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if (!triggerRef.value || !popoverRef.value)
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return;
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// 强制触发回流获取最新尺寸
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triggerRef.value.getBoundingClientRect();
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popoverRef.value.getBoundingClientRect();
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const triggerRect = triggerRef.value.getBoundingClientRect();
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const popoverRect = popoverRef.value.getBoundingClientRect();
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const boundaryRect = getBoundaryRect();
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const adjustedPos = adjustPosition(triggerRect, popoverRect, boundaryRect);
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currentPosition.value = adjustedPos;
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emits('positionChange', adjustedPos);
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const { top, left, origin } = calculatePosition(triggerRect, popoverRect, adjustedPos);
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popoverRef.value.style.top = `${top}px`;
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popoverRef.value.style.left = `${left}px`;
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popoverRef.value.style.transformOrigin = origin;
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}
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// 窗口尺寸变化防抖处理
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useEventListener('resize', () => {
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if (updatePositionTimeout)
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clearTimeout(updatePositionTimeout);
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updatePositionTimeout = setTimeout(updatePosition, 50);
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});
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// 显示/隐藏状态监听
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watch(
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showPoperContent,
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(newVal) => {
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if (newVal) {
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nextTick(() => {
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initObservers();
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updatePosition();
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});
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}
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else {
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destroyObservers();
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}
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},
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{ immediate: true },
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);
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// 边界计算（保持不变）
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function getBoundaryRect(): DOMRect {
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if (props.boundary === 'viewport') {
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return new DOMRect(0, 0, window.innerWidth, window.innerHeight);
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}
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return (props.boundary as HTMLElement).getBoundingClientRect();
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}
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// 定位计算（保持不变）
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function calculatePosition(triggerRect: DOMRect, popoverRect: DOMRect, position: PopoverPosition) {
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const [offsetX, offsetY] = props.offset!;
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const { width: tW, height: tH } = triggerRect;
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const { width: pW, height: pH } = popoverRect;
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const positionMap: Record<PopoverPosition, { top: number; left: number; origin: string }> = {
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'top': {
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top: triggerRect.top - pH - offsetY,
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left: triggerRect.left + tW / 2 - pW / 2 + offsetX,
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origin: 'bottom center',
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},
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'top-start': {
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top: triggerRect.top - pH - offsetY,
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left: triggerRect.left + offsetX,
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origin: 'bottom left',
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},
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'top-end': {
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top: triggerRect.top - pH - offsetY,
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left: triggerRect.left + tW - pW + offsetX,
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origin: 'bottom right',
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},
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'bottom': {
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top: triggerRect.bottom + offsetY,
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left: triggerRect.left + tW / 2 - pW / 2 + offsetX,
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origin: 'top center',
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},
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'bottom-start': {
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top: triggerRect.bottom + offsetY,
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left: triggerRect.left + offsetX,
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origin: 'top left',
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},
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'bottom-end': {
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top: triggerRect.bottom + offsetY,
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left: triggerRect.left + tW - pW + offsetX,
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origin: 'top right',
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},
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'left': {
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top: triggerRect.top + tH / 2 - pH / 2 + offsetY,
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left: triggerRect.left - pW - offsetX,
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origin: 'right center',
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},
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'left-start': {
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top: triggerRect.top + offsetY,
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left: triggerRect.left - pW - offsetX,
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origin: 'right top',
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},
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'left-end': {
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top: triggerRect.top + tH - pH + offsetY,
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left: triggerRect.left - pW - offsetX,
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origin: 'right bottom',
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},
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'right': {
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top: triggerRect.top + tH / 2 - pH / 2 + offsetY,
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left: triggerRect.right + offsetX,
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origin: 'left center',
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},
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'right-start': {
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top: triggerRect.top + offsetY,
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left: triggerRect.right + offsetX,
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origin: 'left top',
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},
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'right-end': {
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top: triggerRect.top + tH - pH + offsetY,
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left: triggerRect.right + offsetX,
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origin: 'left bottom',
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},
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};
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return positionMap[position];
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}
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// 边界调整（保持不变）
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function adjustPosition(
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triggerRect: DOMRect,
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popoverRect: DOMRect,
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boundaryRect: DOMRect,
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): PopoverPosition {
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const allPositions: PopoverPosition[] = [
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'top',
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'top-start',
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'top-end',
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'bottom',
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'bottom-start',
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'bottom-end',
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'left',
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'left-start',
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'left-end',
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'right',
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'right-start',
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'right-end',
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];
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const candidatePositions = [props.position, ...allPositions.filter(p => p !== props.position)];
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for (const pos of candidatePositions) {
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const { top, left } = calculatePosition(triggerRect, popoverRect, pos);
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if (
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top >= boundaryRect.top + VIEWPORT_PADDING
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&& left >= boundaryRect.left + VIEWPORT_PADDING
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&& top + popoverRect.height <= boundaryRect.bottom - VIEWPORT_PADDING
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&& left + popoverRect.width <= boundaryRect.right - VIEWPORT_PADDING
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) {
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return pos;
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}
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}
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return props.position;
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}
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// 交互逻辑（保持不变）
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function handleTriggerClick() {
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if (showPoperContent.value) {
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props.closeOnTriggerClick && hidePopover();
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}
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else {
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showPoperContent.value = true;
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nextTick(() => emits('show'));
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}
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}
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function handleContentClick(e: MouseEvent) {
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props.closeOnContentClick && hidePopover();
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e.stopPropagation();
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}
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function hidePopover() {
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showPoperContent.value = false;
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emits('hide');
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}
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onClickOutside(popoverRef, () => !props.closeOnTriggerClick && hidePopover(), {
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ignore: [triggerRef],
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});
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onUnmounted(() => {
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destroyObservers();
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updatePositionTimeout && clearTimeout(updatePositionTimeout);
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});
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defineExpose({ show: () => (showPoperContent.value = true), hide: hidePopover });
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</script>
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<template>
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<div
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ref="triggerRef"
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:style="props.triggerStyle"
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role="button"
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aria-haspopup="true"
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:aria-expanded="showPoperContent"
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@click.stop="handleTriggerClick"
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>
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<slot name="trigger" />
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</div>
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<Teleport to="body">
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<Transition name="popover-fade" @before-enter="updatePosition">
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<div
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v-if="showPoperContent"
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ref="popoverRef"
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class="popover-content"
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:style="props.popoverStyle"
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:class="[props.popoverClass]"
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role="dialog"
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aria-modal="false"
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:data-popper-placement="currentPosition"
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@click="handleContentClick"
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>
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<slot name="header" />
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<slot />
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<slot name="footer" />
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</div>
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</Transition>
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</Teleport>
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</template>
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<style lang="scss">
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.popover-fade-enter-active,
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.popover-fade-leave-active {
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transition:
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opacity 0.2s ease,
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transform 0.2s ease;
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will-change: transform, opacity;
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}
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.popover-fade-enter-from,
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.popover-fade-leave-to {
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opacity: 0;
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transform: scale(0.95);
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}
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.popover-fade-enter-to,
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.popover-fade-leave-from {
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opacity: 1;
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transform: scale(1);
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}
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.popover-content {
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position: fixed;
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min-width: 120px;
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background: #fff;
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border: 1px solid #e5e7eb;
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border-radius: 8px;
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box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
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padding: 12px 16px;
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z-index: 1000;
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&::before {
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content: "";
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position: absolute;
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width: 0;
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height: 0;
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border: 6px solid transparent;
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}
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[data-popper-placement^="top"]::before {
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top: 100%;
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border-top-color: #e5e7eb;
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}
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[data-popper-placement="top"]::before {
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left: 50%;
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transform: translateX(-50%);
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}
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[data-popper-placement="top-start"]::before {
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left: 16px;
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}
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[data-popper-placement="top-end"]::before {
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right: 16px;
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}
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[data-popper-placement^="bottom"]::before {
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bottom: 100%;
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border-bottom-color: #e5e7eb;
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}
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[data-popper-placement="bottom"]::before {
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left: 50%;
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transform: translateX(-50%);
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}
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[data-popper-placement="bottom-start"]::before {
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left: 16px;
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}
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[data-popper-placement="bottom-end"]::before {
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right: 16px;
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}
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[data-popper-placement^="left"]::before {
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left: 100%;
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border-left-color: #e5e7eb;
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}
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[data-popper-placement="left"]::before {
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top: 50%;
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transform: translateY(-50%);
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}
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[data-popper-placement="left-start"]::before {
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top: 16px;
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}
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[data-popper-placement="left-end"]::before {
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bottom: 16px;
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}
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[data-popper-placement^="right"]::before {
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right: 100%;
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border-right-color: #e5e7eb;
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}
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[data-popper-placement="right"]::before {
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top: 50%;
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transform: translateY(-50%);
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}
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[data-popper-placement="right-start"]::before {
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top: 16px;
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}
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[data-popper-placement="right-end"]::before {
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bottom: 16px;
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}
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}
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</style>
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3
types/components.d.ts
vendored
3
types/components.d.ts
vendored
@ -3,7 +3,7 @@
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// Generated by unplugin-vue-components
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// Read more: https://github.com/vuejs/core/pull/3399
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// biome-ignore lint: disable
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export {}
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export {};
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/* prettier-ignore */
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declare module 'vue' {
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@ -26,7 +26,6 @@ declare module 'vue' {
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ElTooltip: typeof import('element-plus/es')['ElTooltip']
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FilesSelect: typeof import('./../src/components/FilesSelect/index.vue')['default']
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IconSelect: typeof import('./../src/components/IconSelect/index.vue')['default']
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'Index copy': typeof import('./../src/components/Popover/index copy.vue')['default']
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LoginDialog: typeof import('./../src/components/LoginDialog/index.vue')['default']
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ModelSelect: typeof import('./../src/components/ModelSelect/index.vue')['default']
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Popover: typeof import('./../src/components/Popover/index.vue')['default']
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