caojia
398 lines
8.8 KiB
Vue
398 lines
8.8 KiB
Vue
<template>
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<div class="header-search">
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<svg-icon class-name="search-icon" icon-class="search" @click.stop="click" />
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<el-dialog
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v-model="show"
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width="600"
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@close="close"
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@opened="onDialogOpened"
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:show-close="false"
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append-to-body
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>
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<el-input
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v-model="search"
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ref="headerSearchSelectRef"
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size="large"
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@input="querySearch"
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prefix-icon="Search"
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placeholder="菜单搜索，支持标题、URL模糊查询"
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clearable
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@keyup.enter="selectActiveResult"
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@keydown.up.prevent="navigateResult('up')"
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@keydown.down.prevent="navigateResult('down')"
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>
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</el-input>
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<div class="result-count" v-if="search && options.length > 0">
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找到 <strong>{{ options.length }}</strong> 个结果
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</div>
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<div class="result-wrap">
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<el-scrollbar>
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<template v-if="options.length > 0">
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<div
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class="search-item"
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tabindex="1"
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v-for="(item, index) in options"
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:key="item.path"
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:class="{ 'is-active': index === activeIndex }"
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:style="activeStyle(index)"
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@mouseenter="activeIndex = index"
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@mouseleave="activeIndex = -1"
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>
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<div class="left">
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<svg-icon class="menu-icon" :icon-class="item.icon" />
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</div>
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<div class="search-info" @click="change(item)">
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<div class="menu-title" v-html="highlightText(item.title.join(' / '))"></div>
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<div class="menu-path" v-html="highlightText(item.path)"></div>
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</div>
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<svg-icon icon-class="enter" v-show="index === activeIndex" />
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</div>
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</template>
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<div class="empty-state" v-else-if="search && options.length === 0">
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<el-icon class="empty-icon"><Search /></el-icon>
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<p class="empty-text">未找到 "<strong>{{ search }}</strong>" 相关菜单</p>
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<p class="empty-tip">试试其他关键词或路径</p>
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</div>
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</el-scrollbar>
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</div>
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<div class="search-footer">
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<span class="shortcut-item">
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<kbd>↑</kbd><kbd>↓</kbd> 切换
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</span>
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<span class="shortcut-item">
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<kbd>↵</kbd> 选择
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</span>
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<span class="shortcut-item">
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<kbd>Esc</kbd> 关闭
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</span>
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</div>
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</el-dialog>
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</div>
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</template>
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<script setup>
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import Fuse from 'fuse.js'
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import { getNormalPath } from '@/utils/bms'
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import { isHttp } from '@/utils/validate'
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import useSettingsStore from '@/store/modules/settings'
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import usePermissionStore from '@/store/modules/permission'
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const search = ref('')
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const options = ref([])
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const searchPool = ref([])
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const activeIndex = ref(-1)
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const show = ref(false)
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const fuse = ref(undefined)
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const headerSearchSelectRef = ref(null)
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const router = useRouter()
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const theme = computed(() => useSettingsStore().theme)
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const routes = computed(() => usePermissionStore().defaultRoutes)
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function click() {
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show.value = !show.value
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if (show.value) {
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options.value = searchPool.value
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}
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}
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function onDialogOpened() {
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nextTick(() => {
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headerSearchSelectRef.value && headerSearchSelectRef.value.focus()
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})
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}
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function close() {
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headerSearchSelectRef.value && headerSearchSelectRef.value.blur()
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search.value = ''
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options.value = searchPool.value
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show.value = false
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activeIndex.value = -1
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}
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function change(val) {
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const p = val.path
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const query = val.query
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if (isHttp(p)) {
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// http(s):// 路径新窗口打开
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const pindex = p.indexOf("http")
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window.open(p.substr(pindex, p.length), "_blank")
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} else {
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if (query) {
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router.push({ path: p, query: JSON.parse(query) })
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} else {
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router.push(p)
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}
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}
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search.value = ''
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options.value = searchPool.value
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nextTick(() => {
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show.value = false
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})
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}
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function initFuse(list) {
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fuse.value = new Fuse(list, {
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shouldSort: true,
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threshold: 0.2,
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distance: 100,
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minMatchCharLength: 1,
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keys: [{
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name: 'title',
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weight: 0.7
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}, {
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name: 'path',
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weight: 0.3
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}]
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})
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}
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function generateRoutes(routes, basePath = '', prefixTitle = []) {
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let res = []
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for (const r of routes) {
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if (r.hidden) { continue }
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const p = r.path.length > 0 && r.path[0] === '/' ? r.path : '/' + r.path
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const data = {
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path: !isHttp(r.path) ? getNormalPath(basePath + p) : r.path,
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title: [...prefixTitle],
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icon: ''
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}
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if (r.meta && r.meta.title) {
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data.title = [...data.title, r.meta.title]
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data.icon = r.meta.icon
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if (r.redirect !== "noRedirect") {
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res.push(data)
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}
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}
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if (r.query) {
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data.query = r.query
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}
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if (r.children) {
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const tempRoutes = generateRoutes(r.children, data.path, data.title)
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if (tempRoutes.length >= 1) {
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res = [...res, ...tempRoutes]
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}
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}
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}
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return res
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}
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function querySearch(query) {
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activeIndex.value = -1
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if (query !== '') {
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const q = query.toLowerCase()
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const pathMatches = searchPool.value.filter(item =>
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item.path.toLowerCase().includes(q)
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)
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const fuseMatches = fuse.value.search(query).map(item => item.item)
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const merged = [...pathMatches]
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fuseMatches.forEach(item => {
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if (!merged.find(m => m.path === item.path)) {
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merged.push(item)
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}
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})
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options.value = merged
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} else {
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options.value = searchPool.value
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}
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}
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function activeStyle(index) {
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if (index !== activeIndex.value) return {}
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return {
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"background-color": theme.value,
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"color": "#fff"
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}
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}
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function navigateResult(direction) {
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if (direction === "up") {
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activeIndex.value = activeIndex.value <= 0 ? options.value.length - 1 : activeIndex.value - 1
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} else if (direction === "down") {
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activeIndex.value = activeIndex.value >= options.value.length - 1 ? 0 : activeIndex.value + 1
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}
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}
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function selectActiveResult() {
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if (options.value.length > 0 && activeIndex.value >= 0) {
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change(options.value[activeIndex.value])
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}
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}
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function highlightText(text) {
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if (!text) return ''
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if (!search.value) return text
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const keyword = escapeRegExp(search.value)
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const reg = new RegExp(`(${keyword})`, 'gi')
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return text.replace(reg, '<span class="highlight">$1</span>')
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}
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function escapeRegExp(str) {
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return str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
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}
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onMounted(() => {
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searchPool.value = generateRoutes(routes.value)
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})
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watch(searchPool, (list) => {
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initFuse(list)
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})
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</script>
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<style lang='scss' scoped>
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:deep(.el-dialog__header) {
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padding: 6px !important;
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}
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:deep(.highlight) {
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color: red;
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font-weight: 600;
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}
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:deep(.is-active .highlight) {
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color: rgba(255, 255, 255, 0.9);
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font-weight: 600;
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}
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.header-search {
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.search-icon {
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cursor: pointer;
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font-size: 18px;
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vertical-align: middle;
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}
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}
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.result-count {
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padding: 6px 16px 0;
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font-size: 12px;
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color: #aaa;
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strong {
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color: red;
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font-weight: 600;
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}
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}
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.result-wrap {
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height: 280px;
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margin: 4px 0;
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.search-item {
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display: flex;
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height: 48px;
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align-items: center;
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padding-right: 10px;
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border-radius: 4px;
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transition: background 0.15s;
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.left {
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width: 60px;
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text-align: center;
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flex-shrink: 0;
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.menu-icon {
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width: 18px;
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height: 18px;
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}
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}
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.search-info {
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padding-left: 5px;
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margin-top: 10px;
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width: 100%;
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display: flex;
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flex-direction: column;
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justify-content: flex-start;
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flex: 1;
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overflow: hidden;
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.menu-title,
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.menu-path {
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height: 20px;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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}
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.menu-path {
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color: #ccc;
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font-size: 10px;
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}
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}
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}
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.search-item:hover {
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cursor: pointer;
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}
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.empty-state {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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height: 100%;
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.empty-icon {
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font-size: 42px;
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color: #e0e0e0;
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margin-bottom: 14px;
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}
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.empty-text {
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font-size: 14px;
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color: #999;
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margin: 0 0 6px;
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strong {
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color: #666;
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}
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}
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.empty-tip {
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font-size: 12px;
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color: #bbb;
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margin: 0;
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}
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}
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}
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.search-footer {
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display: flex;
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align-items: center;
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gap: 28px;
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padding: 10px 20px;
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border-top: 1px solid #f0f0f0;
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color: #999;
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font-size: 12px;
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.shortcut-item {
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display: flex;
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align-items: center;
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gap: 5px;
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}
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kbd {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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min-width: 20px;
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height: 20px;
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padding: 0 5px;
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border: 1px solid #ddd;
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border-radius: 4px;
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background: #f7f7f7;
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color: #555;
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font-size: 11px;
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font-family: inherit;
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line-height: 1;
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box-shadow: 0 1px 0 #ccc;
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}
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}
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</style>
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