94 lines
1.9 KiB
Vue
94 lines
1.9 KiB
Vue
<template>
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<ul class="sidebar-links" v-if="items.length">
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<li v-for="(item, i) in items" :key="i">
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<SidebarGroup
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v-if="item.type === 'group'"
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:item="item"
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:open="i === openGroupIndex"
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:collapsable="item.collapsable || item.collapsible"
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:depth="depth"
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@toggle="toggleGroup(i)"
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/>
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<SidebarLink v-else :sidebarDepth="sidebarDepth" :item="item" />
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</li>
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</ul>
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</template>
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<script>
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import SidebarGroup from '@theme/components/SidebarGroup.vue'
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import SidebarLink from '@theme/components/SidebarLink.vue'
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import { isActive } from '../util'
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export default {
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name: 'SidebarLinks',
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components: { SidebarGroup, SidebarLink },
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props: [
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'items',
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'depth', // depth of current sidebar links
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'sidebarDepth', // depth of headers to be extracted
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'initialOpenGroupIndex'
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],
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data () {
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return {
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openGroupIndex: this.initialOpenGroupIndex || 0
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}
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},
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created () {
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this.refreshIndex()
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},
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watch: {
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'$route' () {
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this.refreshIndex()
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}
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},
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methods: {
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refreshIndex () {
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const index = resolveOpenGroupIndex(
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this.$route,
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this.items
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)
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if (index > -1) {
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this.openGroupIndex = index
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}
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},
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toggleGroup (index) {
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this.openGroupIndex = index === this.openGroupIndex ? -1 : index
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},
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isActive (page) {
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return isActive(this.$route, page.regularPath)
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}
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}
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}
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function resolveOpenGroupIndex (route, items) {
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for (let i = 0; i < items.length; i++) {
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const item = items[i]
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if (descendantIsActive(route, item)) {
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return i
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}
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}
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return -1
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}
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function descendantIsActive (route, item) {
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if (item.type === 'group') {
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return item.children.some(child => {
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if (child.type === 'group') {
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return descendantIsActive(route, child)
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} else {
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return child.type === 'page' && isActive(route, child.path)
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}
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})
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}
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return false
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}
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</script>
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