2024-01-07 01:54:25 +08:00

122 lines
2.6 KiB
Vue

<script lang="ts" setup>
import { usePageData } from '@vuepress/client'
import { computed, ref } from 'vue'
import { onContentUpdated } from '@vuepress-plume/plugin-content-update/client'
import { useActiveAnchor, useThemeLocaleData } from '../composables/index.js'
import IconPrint from './icons/IconPrint.vue'
import PageAsideItem from './PageAsideItem.vue'
const page = usePageData()
const theme = useThemeLocaleData()
const headers = ref(page.value.headers)
const hasOutline = computed(() => headers.value.length > 0)
onContentUpdated(() => {
headers.value = page.value.headers
})
const container = ref()
const marker = ref()
useActiveAnchor(container, marker)
function handleClick({ target: el }: Event) {
const id = `#${(el as HTMLAnchorElement).href!.split('#')[1]}`
const heading = document.querySelector<HTMLAnchorElement>(
decodeURIComponent(id),
)
heading?.focus()
}
function handlePrint() {
window.print()
}
</script>
<template>
<div class="page-aside">
<div
ref="container"
class="page-aside-outline"
:class="{ 'has-outline': hasOutline }"
>
<div class="content">
<div ref="marker" class="outline-marker" />
<div class="outline-title">
<span>{{ theme.outlineLabel || 'On this page' }}</span>
<IconPrint class="icon" @click="handlePrint" />
</div>
<nav aria-labelledby="doc-outline-aria-label">
<span id="doc-outline-aria-label" class="visually-hidden">
Table of Contents for current page
</span>
<PageAsideItem
:headers="headers"
:root="true"
:on-click="handleClick"
/>
</nav>
</div>
</div>
</div>
</template>
<style scoped>
.page-aside {
display: flex;
flex-direction: column;
flex-grow: 1;
}
.page-aside-outline {
display: none;
}
.page-aside-outline.has-outline {
display: block;
}
.content {
position: relative;
padding-left: 16px;
font-size: 13px;
font-weight: 500;
border-left: 1px solid var(--vp-c-divider);
}
.outline-marker {
position: absolute;
top: 32px;
left: -1px;
z-index: 0;
width: 2px;
height: 18px;
background-color: var(--vp-c-brand-1);
opacity: 0;
transition:
top 0.25s cubic-bezier(0, 1, 0.5, 1),
background-color 0.5s,
opacity 0.25s;
}
.outline-title {
display: flex;
align-items: center;
font-size: 13px;
font-weight: 600;
line-height: 28px;
letter-spacing: 0.4px;
}
.outline-title .icon {
width: 1em;
height: 1em;
margin-left: 4px;
font-size: 1.2em;
cursor: pointer;
}
</style>